Class	Description
`.text-muted`	Fusce dapibus,tellus ac cursus commodo,tortor mauris nibh.
`.text-primary`	Nullam id dolor id nibh ultricies vehicula ut id elit.
`.text-success`	Fusce dapibus,tellus ac cursus commodo,tortor mauris nibh.
`.text-info`	Nullam id dolor id nibh ultricies vehicula ut id elit.
`.text-warning`	Fusce dapibus,tellus ac cursus commodo,tortor mauris nibh.
`.text-danger`	Nullam id dolor id nibh ultricies vehicula ut id elit.
`.text-dark`	Nullam id dolor id nibh ultricies vehicula ut id elit.

Class	Description
`.font-light`	Font weight will be light(300).
`.font-normal`	Font weight will be normal
`.font-bold`	Font weight will be bold(700)

Class	Description
`.p-0`	Padding will be 0 from all side.
`.p-10`	Padding will be 10px from all side.
`.p-3`	Padding will be 20px from all side

Class	Description
`.pl-0`	Only Padding Left will be 0.
`.pl-2`	Only Padding Left will be 10px.
`.pl-3`	Only Padding Left will be 20px.

Class	Description
`.pr-0`	Only Padding right will be 0.
`.pr-2`	Only Padding right will be 10px.
`.pr-3`	Only Padding right will be 20px.

Class	Description
`.pt-0`	Only Padding top will be 0.
`.pt-2`	Only Padding top will be 10px.
`.pt-3`	Only Padding top will be 20px.

Class	Description
`.mt-1`	Only Margin top will be 5px.
`.mt-2`	Only Margin top will be 10px.
`.mt-3`	Only Margin top will be 15px.
`.mt-3`	Only Margin top will be 20px.
`.mt-4`	Only Margin top will be 30px.
`.mt-5`	Only Margin top will be 40px.

Class	Description
`.mb-1`	Only Margin Bottom will be 5px.
`.mb-2`	Only Margin Bottom will be 10px.
`.mb-3`	Only Margin Bottom will be 15px.
`.mb-3`	Only Margin Bottom will be 20px.
`.mb-4`	Only Margin Bottom will be 30px.

Class	Description
`.mr-1`	Only Margin Right will be 5px.
`.mr-2`	Only Margin Right will be 10px.
`.mr-3`	Only Margin Right will be 15px.
`.mr-3`	Only Margin Right will be 20px.
`.mr-4`	Only Margin Right will be 30px.
`.mr-5`	Only Margin Right will be 40px.

Class	Description
`.ml-1`	Only Margin Left will be 5px.
`.ml-2`	Only Margin Left will be 10px.
`.ml-3`	Only Margin Left will be 15px.
`.ml-3`	Only Margin Left will be 20px.
`.ml-4`	Only Margin Left will be 30px.
`.ml-5`	Only Margin Left will be 40px.

Class	Description
`.bg-primary`	For Primary background color
`.bg-success`	For Success(green) background color
`.bg-info`	For info(Blue) background color

Class	Description
`.bg-warning`	For Warning(yellow) background color
`.bg-danger`	For Danger(red) background color
`.bg-theme`	For Theme background color

Class	Description
`.bg-theme-dark`	For theme dark background color
`.bg-inverse`	For inverse(dark) background color
`.bg-purple`	For Purple background color

Borders

Use border utilities to quickly style the border and border-radius of an element. Great for images,buttons,or any other element.

Additive border

Use of below classes as per your requiements,which side you want border.

Classes	Use
`.border`	Use to add solid border of 1px on every side of the object.
`.border-top`	Use to add solid border top of 1px on obejct.
`.border-bottom`	Use to add solid border bottom of 1px on object.
`.border-left`	Use to add solid border left of 1px on object.
`.border-right`	Use to add solid border right of 1px on object.

Subtractive border

Use of below classes as per your requiements,which side you don't want to add border.

Classes	Use
`.no-border`	Use when remove border from all side of the object.
`.border-top-0`	Use when remove border from the top side of the object.
`.border-bottom-0`	Use when remove border from the bottom side of the object.
`.border-left-0`	Use when remove border from the left side of the object.
`.border-right-0`	Use when remove border from the right side of the object.

Border color

When you want add color in the border you can choose any of the below classes.

Classes	Use
`.border border-primary`	Use when add primary color border to all side of the object.
`.border border-secondary`	Use when add secondary color border to all side of the object.
`.border border-success`	Use when add success color border to all side of the object.
`.border border-danger`	Use when add danger color border to all side of the object.
`.border border-warning`	Use when add warning color border to all side of the object.
`.border border-info`	Use when add info color border to all side of the object.
`.border border-light`	Use when add light color border to all side of the object.
`.border border-dark`	Use when add dark color border to all side of the object.
`.border border-white`	Use when add white color border to all side of the object.

Border-radius

Use to give rounded corner to the object.

Classes	Use
`.rounded`	Add round corners border to all side of the object.
`.rounded-top`	Add round corners border to top side only of the object.
`.rounded-bottom`	Add round corners border to bottom side only of the object.
`.rounded-left`	Add round corners border to left side only of the object.
`.rounded-right`	Add round corners border to right side only of the object.
`.rounded-circle`	Create round circle border of the object.
`.rounded-0`	Remove border corder from the all side of the object.

Clearfix

Quickly and easily clear floated content within a container by adding a clearfix utility.

Easily clear floats by adding .clearfix to the parent element. Can also be used as a mixin.

                            
                                <div class="clearfix">...</div>

                                
                                    // Mixin itself
                                    @mixin clearfix() {
                                      &::after {
                                        display: block;
                                        content: "";
                                        clear: both;
                                      }
                                    }
                                    
                                    // Usage as a mixin
                                    .element {
                                      @include clearfix;
                                    };

The following example shows how the clearfix can be used. Without the clearfix the wrapping div would not span around the buttons which would cause a broken layout.

                            
                                <div class="bg-cyan clearfix">
                                  <button type="button" class="btn btn-secondary float-left">Example Button floated left</button>
                                  <button type="button" class="btn btn-secondary float-right">Example Button floated right</button>
                                </div>

Close icon

Use a generic close icon for dismissing content like modals and alerts.

Be sure to include text for screen readers, as we’ve done with aria-label.

                            
                                <button type="button" class="close" aria-label="Close">
                                  <span aria-hidden="true">×</span>
                                </button>

Display property

Quickly and responsively toggle the display value of components and more with our display utilities. Includes support for some of the more common values, as well as some extras for controlling display when printing.

Basic display values

The `display` property accepts a handful of values and we support many of them with utility classes. We purposefully don’t provide every value as a utility, so here’s what we support:

Classes	Use
`.d-none`	Used for object to hide on all viewports.
`.d-inline`	Used for object to behave like an inline object.
`.d-inline-block`	Used for object to behave like an inline-block object.
`.d-block`	Used for object to behave like an block object.
`.d-table`	Used for object to behave like `<table>` object.
`.d-table-cell`	Used for object to behave like `<td>` object.
`.d-flex`	Used for object as a block-level flex container.
`.d-inline-flex`	Used for object as an inline-level flex container.

Use above classes as per your requirements. For example, here’s how you could use the inline, block, or inline-block utilities.

d-inline

                                
                                    <div class="d-inline bg-info">d-inline</div>
                                    <div class="d-inline bg-info">d-inline</div>

d-block


                                <span class="d-block bg-info">d-block</span>

d-inline-block


                            <div class="d-inline-block bg-info">d-inline-block</div>
                            <div class="d-inline-block bg-info">d-inline-block</div>

Responsive variations also exist for every single utility mentioned above.

.d-none
.d-inline
.d-inline-block
.d-block
.d-table
.d-table-cell
.d-flex
.d-inline-flex
.d-sm-none
.d-sm-inline
.d-sm-inline-block
.d-sm-block
.d-sm-table
.d-sm-table-cell
.d-sm-flex
.d-sm-inline-flex
.d-md-none
.d-md-inline
.d-md-inline-block
.d-md-block
.d-md-table
.d-md-table-cell
.d-md-flex
.d-md-inline-flex
.d-lg-none
.d-lg-inline
.d-lg-inline-block
.d-lg-block
.d-lg-table
.d-lg-table-cell
.d-lg-flex
.d-lg-inline-flex
.d-xl-none
.d-xl-inline
.d-xl-inline-block
.d-xl-block
.d-xl-table
.d-xl-table-cell
.d-xl-flex
.d-xl-inline-flex

Hiding Elements

For faster mobile-friendly development, use responsive display classes for showing and hiding elements by device. Avoid creating entirely different versions of the same site, instead hide element responsively for each screen size.

To hide elements simply use the .d-none class or one of the .d-{sm,md,lg,xl}-none classes for any responsive screen variation.

To show an element only on a given interval of screen sizes you can combine one .d-*-none class with a .d-*-* class, for example .d-none.d-md-block.d-xl-none will hide the element for all screen sizes except on medium and large devices.

Screen Size	Class
Hidden on all	`d-none`
Hidden only on xs	`d-none d-sm-block`
Hidden only on sm	`d-sm-none d-md-block`
Hidden only on md	`d-md-none d-lg-block`
Hidden only on lg	`d-lg-none d-xl-block`
Hidden only on xl	`d-xl-none`
Visible on all	`d-block`
Visible only on xs	`d-block d-sm-none`
Visible only on sm	`d-none d-sm-block d-md-none`
Visible only on md	`d-none d-md-block d-lg-none`
Visible only on lg	`d-none d-lg-block d-xl-none`
Visible only on xl	`d-none d-xl-block`

Display in print

Change the `display` value of elements when printing with our print display utilities.

Class	Print style
`.d-print-none`	Applies `display: none` to the element when printing
`.d-print-inline`	Applies `display: inline` to the element when printing
`.d-print-inline-block`	Applies `display: inline-block` to the element when printing
`.d-print-block`	Applies `display: block` to the element when printing

Embed

Create responsive video or slideshow embeds based on the width of the parent by creating an intrinsic ratio that scales on any device.

Rules are directly applied to <iframe>, <embed>, <video>, and <object> elements; optionally use an explicit descendant class .embed-responsive-item when you want to match the styling for other attributes.

Pro-Tip! You don’t need to include frameborder="0" in your <iframe>s as we override that for you.

Example

Wrap any embed like an `<iframe>` in a parent element with `.embed-responsive` and an aspect ratio. The `.embed-responsive-item` isn’t strictly required, but we encourage it.

                            
                                <div class="embed-responsive embed-responsive-16by9">
                                  <iframe class="embed-responsive-item" src="https://www.youtube.com/embed/zpOULjyy-n8?rel=0" allowfullscreen></iframe>
                                </div>

Aspect ratios

Aspect ratios can be customized with modifier classes.

                            
                                <!-- 21:9 aspect ratio -->
                                <div class="embed-responsive embed-responsive-21by9">
                                  <iframe class="embed-responsive-item" src="..."></iframe>
                                </div>
                                
                                <!-- 16:9 aspect ratio -->
                                <div class="embed-responsive embed-responsive-16by9">
                                  <iframe class="embed-responsive-item" src="..."></iframe>
                                </div>
                                
                                <!-- 4:3 aspect ratio -->
                                <div class="embed-responsive embed-responsive-4by3">
                                  <iframe class="embed-responsive-item" src="..."></iframe>
                                </div>
                                
                                <!-- 1:1 aspect ratio -->
                                <div class="embed-responsive embed-responsive-1by1">
                                  <iframe class="embed-responsive-item" src="..."></iframe>
                                </div>

Flex

Quickly manage the layout, alignment, and sizing of grid columns, navigation, components, and more with a full suite of responsive flexbox utilities. For more complex implementations, custom CSS may be necessary.

Enable flex behaviors

Apply `display` utilities to create a flexbox container and transform direct children elements into flex items. Flex containers and items are able to be modified further with additional flex properties.

I'm a flexbox container!

<div class="d-flex p-2">I'm a flexbox container!</div>

I'm an inline flexbox container!

<div class="d-inline-flex p-2">I'm an inline flexbox container!</div>

Responsive variations also exist for .d-flex and .d-inline-flex.

.d-flex
.d-inline-flex
.d-sm-flex
.d-sm-inline-flex
.d-md-flex
.d-md-inline-flex
.d-lg-flex
.d-lg-inline-flex
.d-xl-flex
.d-xl-inline-flex

Direction

Set the direction of flex items in a flex container with direction utilities. In most cases you can omit the horizontal class here as the browser default is row. However, you may encounter situations where you needed to explicitly set this value (like responsive layouts).

Use .flex-row to set a horizontal direction (the browser default), or .flex-row-reverse to start the horizontal direction from the opposite side.

Flex item 1

Flex item 2

Flex item 3

Flex item 1

Flex item 2

Flex item 3

                            
                                <div class="d-flex flex-row">
                                  <div class="p-2">Flex item 1</div>
                                  <div class="p-2">Flex item 2</div>
                                  <div class="p-2">Flex item 3</div>
                                </div>
                                <div class="d-flex flex-row-reverse">
                                  <div class="p-2">Flex item 1</div>
                                  <div class="p-2">Flex item 2</div>
                                  <div class="p-2">Flex item 3</div>
                                </div>

Use .flex-column to set a vertical direction, or .flex-column-reverse to start the vertical direction from the opposite side.

Flex item 1

Flex item 2

Flex item 3

Flex item 1

Flex item 2

Flex item 3

                            
                                <div class="d-flex flex-column">
                                  <div class="p-2">Flex item 1</div>
                                  <div class="p-2">Flex item 2</div>
                                  <div class="p-2">Flex item 3</div>
                                </div>
                                <div class="d-flex flex-column-reverse">
                                  <div class="p-2">Flex item 1</div>
                                  <div class="p-2">Flex item 2</div>
                                  <div class="p-2">Flex item 3</div>
                                </div>

Responsive variations also exist for flex-direction.

.flex-row
.flex-row-reverse
.flex-column
.flex-column-reverse
.flex-sm-row
.flex-sm-row-reverse
.flex-sm-column
.flex-sm-column-reverse
.flex-md-row
.flex-md-row-reverse
.flex-md-column
.flex-md-column-reverse
.flex-lg-row
.flex-lg-row-reverse
.flex-lg-column
.flex-lg-column-reverse
.flex-xl-row
.flex-xl-row-reverse
.flex-xl-column
.flex-xl-column-reverse

Justify content

Use `justify-content` utilities on flexbox containers to change the alignment of flex items on the main axis (the x-axis to start, y-axis if `flex-direction: column`). Choose from `start` (browser default), `end`, `center`, `between`, or `around`.

Flex item

                                
                                    <div class="d-flex justify-content-start">...</div>
                                    <div class="d-flex justify-content-end">...</div>
                                    <div class="d-flex justify-content-center">...</div>
                                    <div class="d-flex justify-content-between">...</div>
                                    <div class="d-flex justify-content-around">...</div>

Responsive variations also exist for justify-content.

.justify-content-start
.justify-content-end
.justify-content-center
.justify-content-between
.justify-content-around
.justify-content-sm-start
.justify-content-sm-end
.justify-content-sm-center
.justify-content-sm-between
.justify-content-sm-around
.justify-content-md-start
.justify-content-md-end
.justify-content-md-center
.justify-content-md-between
.justify-content-md-around
.justify-content-lg-start
.justify-content-lg-end
.justify-content-lg-center
.justify-content-lg-between
.justify-content-lg-around
.justify-content-xl-start
.justify-content-xl-end
.justify-content-xl-center
.justify-content-xl-between
.justify-content-xl-around

Align items

Use `align-items` utilities on flexbox containers to change the alignment of flex items on the cross axis (the y-axis to start, x-axis if `flex-direction: column`). Choose from `start`, `end`, `center`, `baseline`, or `stretch` (browser default).

Flex item

                            
                                <div class="d-flex align-items-start">...</div>
                                <div class="d-flex align-items-end">...</div>
                                <div class="d-flex align-items-center">...</div>
                                <div class="d-flex align-items-baseline">...</div>
                                <div class="d-flex align-items-stretch">...</div>

Responsive variations also exist for align-items.

.align-items-start
.align-items-end
.align-items-center
.align-items-baseline
.align-items-stretch
.align-items-sm-start
.align-items-sm-end
.align-items-sm-center
.align-items-sm-baseline
.align-items-sm-stretch
.align-items-md-start
.align-items-md-end
.align-items-md-center
.align-items-md-baseline
.align-items-md-stretch
.align-items-lg-start
.align-items-lg-end
.align-items-lg-center
.align-items-lg-baseline
.align-items-lg-stretch
.align-items-xl-start
.align-items-xl-end
.align-items-xl-center
.align-items-xl-baseline
.align-items-xl-stretch

Align self

Use `align-self` utilities on flexbox items to individually change their alignment on the cross axis (the y-axis to start, x-axis if `flex-direction: column`). Choose from the same options as `align-items`: `start`, `end`, `center`, `baseline`, or `stretch` (browser default).

Flex item

Aligned flex item

Flex item

Aligned flex item

Flex item

Aligned flex item

Flex item

Aligned flex item

Flex item

Aligned flex item

Flex item

                            
                                <div class="align-self-start">Aligned flex item</div>
                                <div class="align-self-end">Aligned flex item</div>
                                <div class="align-self-center">Aligned flex item</div>
                                <div class="align-self-baseline">Aligned flex item</div>
                                <div class="align-self-stretch">Aligned flex item</div>

Responsive variations also exist for align-self.

.align-self-start
.align-self-end
.align-self-center
.align-self-baseline
.align-self-stretch
.align-self-sm-start
.align-self-sm-end
.align-self-sm-center
.align-self-sm-baseline
.align-self-sm-stretch
.align-self-md-start
.align-self-md-end
.align-self-md-center
.align-self-md-baseline
.align-self-md-stretch
.align-self-lg-start
.align-self-lg-end
.align-self-lg-center
.align-self-lg-baseline
.align-self-lg-stretch
.align-self-xl-start
.align-self-xl-end
.align-self-xl-center
.align-self-xl-baseline
.align-self-xl-stretch

Auto margins

Flexbox can do some pretty awesome things when you mix flex alignments with auto margins. Shown below are three examples of controlling flex items via auto margins: default (no auto margin), pushing two items to the right (`.mr-auto`), and pushing two items to the left (`.ml-auto`).

Unfortunately, IE10 and IE11 do not properly support auto margins on flex items whose parent has a non-default justify-content value. See this StackOverflow answer for more details.

Flex item

                            
                                <div class="d-flex">
                                  <div class="p-2">Flex item</div>
                                  <div class="p-2">Flex item</div>
                                  <div class="p-2">Flex item</div>
                                </div>
                                
                                <div class="d-flex">
                                  <div class="mr-auto p-2">Flex item</div>
                                  <div class="p-2">Flex item</div>
                                  <div class="p-2">Flex item</div>
                                </div>
                                
                                <div class="d-flex">
                                  <div class="p-2">Flex item</div>
                                  <div class="p-2">Flex item</div>
                                  <div class="ml-auto p-2">Flex item</div>
                                </div>

With align-items

Vertically move one flex item to the top or bottom of a container by mixing `align-items`, `flex-direction: column`, and `margin-top: auto` or `margin-bottom: auto`.

Flex item

                            
                                <div class="d-flex align-items-start flex-column" style="height: 200px;">
                                  <div class="mb-auto p-2">Flex item</div>
                                  <div class="p-2">Flex item</div>
                                  <div class="p-2">Flex item</div>
                                </div>
                                
                                <div class="d-flex align-items-end flex-column" style="height: 200px;">
                                  <div class="p-2">Flex item</div>
                                  <div class="p-2">Flex item</div>
                                  <div class="mt-auto p-2">Flex item</div>
                                </div>

Wrap

Change how flex items wrap in a flex container. Choose from no wrapping at all (the browser default) with `.flex-nowrap`, wrapping with `.flex-wrap`, or reverse wrapping with `.flex-wrap-reverse`.

Flex item

                            
                                <div class="d-flex flex-nowrap">
                                  ...
                                </div>

Flex item

                            
                                <div class="d-flex flex-wrap">
                                  ...
                                </div>

Flex item

                            
                                <div class="d-flex flex-wrap-reverse">
                                  ...
                                </div>

Responsive variations also exist for flex-wrap.

.flex-nowrap
.flex-wrap
.flex-wrap-reverse
.flex-sm-nowrap
.flex-sm-wrap
.flex-sm-wrap-reverse
.flex-md-nowrap
.flex-md-wrap
.flex-md-wrap-reverse
.flex-lg-nowrap
.flex-lg-wrap
.flex-lg-wrap-reverse
.flex-xl-nowrap
.flex-xl-wrap
.flex-xl-wrap-reverse

Order

Change the visual order of specific flex items with a handful of `order` utilities. We only provide options for making an item first or last, as well as a reset to use the DOM order. As `order` takes any integer value (e.g., `5`), add custom CSS for any additional values needed.

First flex item

Second flex item

Third flex item

                            
                                <div class="d-flex flex-nowrap">
                                  <div class="order-3 p-2">First flex item</div>
                                  <div class="order-2 p-2">Second flex item</div>
                                  <div class="order-1 p-2">Third flex item</div>
                                </div>

Responsive variations also exist for order.

.order-1
.order-2
.order-3
.order-4
.order-5
.order-6
.order-7
.order-8
.order-9
.order-10
.order-11
.order-12
.order-sm-1
.order-sm-2
.order-sm-3
.order-sm-4
.order-sm-5
.order-sm-6
.order-sm-7
.order-sm-8
.order-sm-9
.order-sm-10
.order-sm-11
.order-sm-12
.order-md-1
.order-md-2
.order-md-3
.order-md-4
.order-md-5
.order-md-6
.order-md-7
.order-md-8
.order-md-9
.order-md-10
.order-md-11
.order-md-12
.order-lg-1
.order-lg-2
.order-lg-3
.order-lg-4
.order-lg-5
.order-lg-6
.order-lg-7
.order-lg-8
.order-lg-9
.order-lg-10
.order-lg-11
.order-lg-12
.order-xl-1
.order-xl-2
.order-xl-3
.order-xl-4
.order-xl-5
.order-xl-6
.order-xl-7
.order-xl-8
.order-xl-9
.order-xl-10
.order-xl-11
.order-xl-12

Align content

Use `align-content` utilities on flexbox containers to align flex items together on the cross axis. Choose from `start` (browser default), `end`, `center`, `between`, `around`, or `stretch`. To demonstrate these utilities, we’ve enforced `flex-wrap: wrap` and increased the number of flex items.

Heads up! This property has no effect on single rows of flex items.

Flex item

                            
                                <div class="d-flex align-content-start flex-wrap">
                                  ...
                                </div>

Flex item

                            
                                <div class="d-flex align-content-end flex-wrap">
                                  ...
                                </div>

Flex item

                            
                                <div class="d-flex align-content-center flex-wrap">
                                  ...
                                </div>

Flex item

                            
                                <div class="d-flex align-content-between flex-wrap">
                                  ...
                                </div>

Flex item

                            
                                <div class="d-flex align-content-around flex-wrap">
                                  ...
                                </div>

Flex item

                            
                                <div class="d-flex align-content-stretch flex-wrap">
                                  ...
                                </div>

Responsive variations also exist for align-content.

.align-content-start
.align-content-end
.align-content-center
.align-content-around
.align-content-stretch
.align-content-sm-start
.align-content-sm-end
.align-content-sm-center
.align-content-sm-around
.align-content-sm-stretch
.align-content-md-start
.align-content-md-end
.align-content-md-center
.align-content-md-around
.align-content-md-stretch
.align-content-lg-start
.align-content-lg-end
.align-content-lg-center
.align-content-lg-around
.align-content-lg-stretch
.align-content-xl-start
.align-content-xl-end
.align-content-xl-center
.align-content-xl-around
.align-content-xl-stretch

Float

Toggle floats on any element, across any breakpoint, using our responsive float utilities.

These utility classes float an element to the left or right, or disable floating, based on the current viewport size using the CSS float property. !important is included to avoid specificity issues. These use the same viewport breakpoints as our grid system. Toggle a float with a class:

Float left on all viewport sizes

Float right on all viewport sizes

Don't float on all viewport sizes

<div class="float-left">Float left on all viewport sizes</div><br><div class="float-right">Float right on all viewport sizes</div><br><div class="float-none">Don't float on all viewport sizes</div>

Responsive

Responsive variations also exist for each `float` value.

Float left on viewports sized SM (small) or wider

Float left on viewports sized MD (medium) or wider

Float left on viewports sized LG (large) or wider

Float left on viewports sized XL (extra-large) or wider

                            
                                <div class="float-sm-left">Float left on viewports sized SM (small) or wider</div><br>
                                <div class="float-md-left">Float left on viewports sized MD (medium) or wider</div><br>
                                <div class="float-lg-left">Float left on viewports sized LG (large) or wider</div><br>
                                <div class="float-xl-left">Float left on viewports sized XL (extra-large) or wider</div><br>

Here are all the support classes;

.float-left
.float-right
.float-none
.float-sm-left
.float-sm-right
.float-sm-none
.float-md-left
.float-md-right
.float-md-none
.float-lg-left
.float-lg-right
.float-lg-none
.float-xl-left
.float-xl-right
.float-xl-none

Image replacement

Swap text for background images with the image replacement class.

Utilize the .text-hide class or mixin to help replace an element’s text content with a background image.

                            
                                <h1 class="text-hide">Custom heading</h1>

Use the .text-hide class to maintain the accessibility and SEO benefits of heading tags, but want to utilize a background-image instead of text.

Bootstrap

                            
                                <h1 class="text-hide my-2" style="background-image: url('../assets/images/logo-icon.png'); width: 30px; height: 26px;">Bootstrap</h1>

Position

Use these shorthand utilities for quickly configuring the position of an element.

Classes	Use
`.position-fixed`	Changes object's position to fixed.
`.position-relative`	Changes object's position to relative.
`.position-absolute`	Changes object's position to absolute.
`.position-static`	Changes object's position to static.
`.position-sticky`	Changes object's position to static.

Fixed top

Position an element at the top of the viewport,from edge to edge. Be sure you understand the ramifications of fixed position in your project;you may need to add aditional CSS.

<div class="fixed-top">...</div>

Fixed bottom

Position an element at the bottom of the viewport,from edge to edge. Be sure you understand the ramifications of fixed position in your project;you may need to add aditional CSS.

<div class="fixed-bottom">...</div>

Sticky top

Position an element at the top of the viewport,from edge to edge,but only after you scroll past it. The `.sticky-top`utility uses CSS’s `position:sticky`,which isn’t fully supported in all browsers.

Microsoft Edge and IE11 will render position:stickyas position:relative.As such,we wrap the styles in a @supportsquery,limiting the stickiness to only browsers that properly can render it.

<div class="sticky-top">...</div>

Screenreaders

Use screenreader utilities to hide elements on all devices except screen readers.

Hide an element to all devices except screen readerswith .sr-only. Combine .sr-onlywith .sr-only-focusableto show the element again when it’s focused(e.g. by a keyboard-only user). Can also be used as mixins.

<a class="sr-only sr-only-focusable" href="#content">Skip to main content</a>

Sizing

Easily make an element as wide or as tall(relative to its parent) with our width and height utilities.

Width and height utilities are generated from the $sizesSass map in _variables.scss. Includes support for 25%,50%,75%,and 100%by default. Modify those values as you need to generate different utilities here.

Width 25%

Width 50%

Width 75%

Width 100%

<div class="w-25 p-3" style="background-color: #eee;">Width 25%</div><div class="w-50 p-3" style="background-color: #eee;">Width 50%</div><div class="w-75 p-3" style="background-color: #eee;">Width 75%</div><div class="w-100 p-3" style="background-color: #eee;">Width 100%</div>

Height 25%

Height 50%

Height 75%

Height 100%

<div style="height: 100px; background-color: rgba(255,0,0,0.1);"><div class="h-25 d-inline-block" style="width: 120px; background-color: rgba(0,0,255,.1)">Height 25%</div><div class="h-50 d-inline-block" style="width: 120px; background-color: rgba(0,0,255,.1)">Height 50%</div><div class="h-75 d-inline-block" style="width: 120px; background-color: rgba(0,0,255,.1)">Height 75%</div><div class="h-100 d-inline-block" style="width: 120px; background-color: rgba(0,0,255,.1)">Height 100%</div></div>

You can also use max-width:100%;and max-height:100%;utilities as needed.

<img class="mw-100" src="..." alt="Max-width 100%">

Max-height 100%

<div style="height: 100px; background-color: rgba(255,0,0,0.1);"><div class="mh-100" style="width: 100px; height: 200px; background-color: rgba(0,0,255,0.1);">Max-height 100%</div></div>

Fixed Width

Add one of these to class to set fixed width of the content.

Classes	Description
`.width-{size}`	Set content fixed width in pixel of selected size where size can be 50,100,150,200,250,300,350,400,450,500,550,600,650,700,750 and 800. i.e `.width-50`
`.width-{size}-per`	Set content fixed width in percentage of selected size where size can be 5%,10%,15%,20%,25%,30%,35%,40%,45%,50%,55%,60%,65%,70%,75% and 80%. i.e `.width-5-per`

Fixed Height

Add one of these to class to set fixed height of the content.

Classes	Description
`.height-{size}`	Set content fixed height in pixel of selected size where size can be 50,100,150,200,250,300,350,400,450,500,550,600,650,700,750 and 800. i.e `.height-50`
`.height-{size}-per`	Set content fixed height in percentage of selected size where size can be 5%,10%,15%,20%,25%,30%,35%,40%,45%,50%,55%,60%,65%,70%,75% and 80%. i.e `.height-5-per`

Spacing

Bootstrap includes a wide range of shorthand responsive margin and padding utility classes to modify an element's appearance.

How it works

Assign responsive-friendly margin or padding values to an element or a subset of its sides with shorthand classes. Includes support for individual properties, all properties, and vertical and horizontal properties. Classes are built from a default Sass map ranging from .25rem to 3rem.

Notation

Spacing utilities that apply to all breakpoints, from xs to xl, have no breakpoint abbreviation in them. This is because those classes are applied from min-width: 0 and up, and thus are not bound by a media query. The remaining breakpoints, however, do include a breakpoint abbreviation. The classes are named using the format {property}{sides}-{size} for xs and {property}{sides}-{breakpoint}-{size} for sm, md, lg, and xl.

Where property is one of:

m - for classes that set margin
p - for classes that set padding

Wheresides is one of:

t - for classes that set margin-top or padding-top
b - for classes that set margin-bottom or padding-bottom
l - for classes that set margin-left or padding-left
r - for classes that set margin-right or padding-right
x - for classes that set both *-left and *-right
y - for classes that set both *-top and *-bottom
blank - for classes that set a margin or padding on all 4 sides of the element

Where size is one of:

0 - for classes that eliminate the margin or padding by setting it to 0
1 - (by default) for classes that set the margin or padding to $spacer * .25
2 - (by default) for classes that set the margin or padding to $spacer * .5
3 - (by default) for classes that set the margin or padding to $spacer
4 - (by default) for classes that set the margin or padding to $spacer * 1.5
5 - (by default) for classes that set the margin or padding to $spacer * 3
auto - for classes that set the margin to auto

(You can add more sizes by adding entries to the $spacers Sass map variable.)

Horizontal centering

Additionally, Bootstrap also includes an `.mx-auto` class for horizontally centering fixed-width block level content—that is, content that has `display: block` and a `width` set—by setting the horizontal margins to `auto`.

Centered element

                            
                                <div class="mx-auto" style="width: 200px;">
                                    Centered element
                                </div>

Vertical alignment

Easily change the vertical alignment of inline, inline-block, inline-table, and table cell elements.

Change the alignment of elements with the vertical-alignment utilities. Please note that vertical-align only affects inline, inline-block, inline-table, and table cell elements.

Choose from .align-baseline, .align-top, .align-middle, .align-bottom, .align-text-bottom, and .align-text-top as needed.

baseline top middle bottom text-top text-bottom

Classes	Description
`.align-top`	Changes element's vertical alignment to top.
`.align-middle`	Changes element's vertical alignment to middle.
`.align-bottom`	Changes element's vertical alignment to bottom.
`.align-baseline`	Changes element's vertical alignment to baseline.
`.align-text-top`	Top of the element is aligned with the top of the parent element's font.
`.align-text-bottom`	The bottom of the element is aligned with the bottom of the parent element's font.

With table cells:

baseline

top

middle

bottom

text-top

text-bottom

                                
                                    <table style="height: 100px;">
                                      <tbody>
                                        <tr>
                                          <td class="align-baseline">baseline</td>
                                          <td class="align-top">top</td>
                                          <td class="align-middle">middle</td>
                                          <td class="align-bottom">bottom</td>
                                          <td class="align-text-top">text-top</td>
                                          <td class="align-text-bottom">text-bottom</td>
                                        </tr>
                                      </tbody>
                                    </table>

Visibility

Control the visibility, without modifying the display, of elements with visibility utilities.

Set the visibility of elements with our visibility utilities. These do not modify the display value at all and are helpful for hiding content from most users, but still keeping them for screen readers.

Apply .visible or .invisible as needed.

                            
                                <div class="visible">...</div>
                                <div class="invisible">...</div>

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Custom Classes

Text Color Classes

Font Weight

Padding Classes

Padding Left Classes

Padding right Classes

Padding top Classes

Margin top Classes

Margin Bottom Classes

Margin Right Classes

Margin Left Classes

Background Colors

Bootstrap Classes

Borders

Use border utilities to quickly style the border and border-radius of an element. Great for images,buttons,or any other element.

Additive border

Use of below classes as per your requiements,which side you want border.

Subtractive border

Use of below classes as per your requiements,which side you don't want to add border.

Border color

When you want add color in the border you can choose any of the below classes.

Border-radius

Use to give rounded corner to the object.

Clearfix

Quickly and easily clear floated content within a container by adding a clearfix utility.

Close icon

Use a generic close icon for dismissing content like modals and alerts.

Display property

Quickly and responsively toggle the display value of components and more with our display utilities. Includes support for some of the more common values, as well as some extras for controlling display when printing.

Basic display values

The display property accepts a handful of values and we support many of them with utility classes. We purposefully don’t provide every value as a utility, so here’s what we support:

Hiding Elements

Display in print

Change the display value of elements when printing with our print display utilities.

Embed

Create responsive video or slideshow embeds based on the width of the parent by creating an intrinsic ratio that scales on any device.

Example

Wrap any embed like an <iframe> in a parent element with .embed-responsive and an aspect ratio. The .embed-responsive-item isn’t strictly required, but we encourage it.

Aspect ratios

Aspect ratios can be customized with modifier classes.

Flex

Quickly manage the layout, alignment, and sizing of grid columns, navigation, components, and more with a full suite of responsive flexbox utilities. For more complex implementations, custom CSS may be necessary.

Enable flex behaviors

Apply display utilities to create a flexbox container and transform direct children elements into flex items. Flex containers and items are able to be modified further with additional flex properties.

Direction

Justify content

Use justify-content utilities on flexbox containers to change the alignment of flex items on the main axis (the x-axis to start, y-axis if flex-direction: column). Choose from start (browser default), end, center, between, or around.

Align items

Use align-items utilities on flexbox containers to change the alignment of flex items on the cross axis (the y-axis to start, x-axis if flex-direction: column). Choose from start, end, center, baseline, or stretch (browser default).

Align self

Use align-self utilities on flexbox items to individually change their alignment on the cross axis (the y-axis to start, x-axis if flex-direction: column). Choose from the same options as align-items: start, end, center, baseline, or stretch (browser default).

Auto margins

Flexbox can do some pretty awesome things when you mix flex alignments with auto margins. Shown below are three examples of controlling flex items via auto margins: default (no auto margin), pushing two items to the right (.mr-auto), and pushing two items to the left (.ml-auto).

With align-items

Vertically move one flex item to the top or bottom of a container by mixing align-items, flex-direction: column, and margin-top: auto or margin-bottom: auto.

Wrap

Change how flex items wrap in a flex container. Choose from no wrapping at all (the browser default) with .flex-nowrap, wrapping with .flex-wrap, or reverse wrapping with .flex-wrap-reverse.

Order

Change the visual order of specific flex items with a handful of order utilities. We only provide options for making an item first or last, as well as a reset to use the DOM order. As order takes any integer value (e.g., 5), add custom CSS for any additional values needed.

Align content

Use align-content utilities on flexbox containers to align flex items together on the cross axis. Choose from start (browser default), end, center, between, around, or stretch. To demonstrate these utilities, we’ve enforced flex-wrap: wrap and increased the number of flex items.

Float

Toggle floats on any element, across any breakpoint, using our responsive float utilities.

The `display` property accepts a handful of values and we support many of them with utility classes. We purposefully don’t provide every value as a utility, so here’s what we support:

Change the `display` value of elements when printing with our print display utilities.

Wrap any embed like an `<iframe>` in a parent element with `.embed-responsive` and an aspect ratio. The `.embed-responsive-item` isn’t strictly required, but we encourage it.

Apply `display` utilities to create a flexbox container and transform direct children elements into flex items. Flex containers and items are able to be modified further with additional flex properties.

Use `justify-content` utilities on flexbox containers to change the alignment of flex items on the main axis (the x-axis to start, y-axis if `flex-direction: column`). Choose from `start` (browser default), `end`, `center`, `between`, or `around`.

Use `align-items` utilities on flexbox containers to change the alignment of flex items on the cross axis (the y-axis to start, x-axis if `flex-direction: column`). Choose from `start`, `end`, `center`, `baseline`, or `stretch` (browser default).

Use `align-self` utilities on flexbox items to individually change their alignment on the cross axis (the y-axis to start, x-axis if `flex-direction: column`). Choose from the same options as `align-items`: `start`, `end`, `center`, `baseline`, or `stretch` (browser default).

Flexbox can do some pretty awesome things when you mix flex alignments with auto margins. Shown below are three examples of controlling flex items via auto margins: default (no auto margin), pushing two items to the right (`.mr-auto`), and pushing two items to the left (`.ml-auto`).

Vertically move one flex item to the top or bottom of a container by mixing `align-items`, `flex-direction: column`, and `margin-top: auto` or `margin-bottom: auto`.

Change how flex items wrap in a flex container. Choose from no wrapping at all (the browser default) with `.flex-nowrap`, wrapping with `.flex-wrap`, or reverse wrapping with `.flex-wrap-reverse`.

Change the visual order of specific flex items with a handful of `order` utilities. We only provide options for making an item first or last, as well as a reset to use the DOM order. As `order` takes any integer value (e.g., `5`), add custom CSS for any additional values needed.

Use `align-content` utilities on flexbox containers to align flex items together on the cross axis. Choose from `start` (browser default), `end`, `center`, `between`, `around`, or `stretch`. To demonstrate these utilities, we’ve enforced `flex-wrap: wrap` and increased the number of flex items.

Responsive variations also exist for each `float` value.

Position an element at the top of the viewport,from edge to edge,but only after you scroll past it. The `.sticky-top`utility uses CSS’s `position:sticky`,which isn’t fully supported in all browsers.

Additionally, Bootstrap also includes an `.mx-auto` class for horizontally centering fixed-width block level content—that is, content that has `display: block` and a `width` set—by setting the horizontal margins to `auto`.