Collapse
Click the buttons below to show and hide another element via class changes. You can use a link with the hrefattribute, or a button with the data-targetattribute. In both cases, the data-toggle="collapse"is required.
Extend the default collapse behavior to create an accordion with the panel component.
If you want to also colorful body, you need to add .full-bodyclass to .panel-group
If you want to also colorful body, you need to add .full-bodyclass to .panel-group