Media can be styled in different ways using Materialize.
Responsive Images
To make images resize responsively to page width, you can add the class responsive-imgto your image tag. It will now have a max-width: 100%and height:auto.

Circular images
To make images appear circular, simply add class="circle"to them
This is a square image. Add the "circle" class to it to make it appear circular.
Videos
We provide a container for Embedded Videos that resizes them responsively.
Responsive Embeds
To make your embeds responsive, merely wrap them with a containing div which has the class video-container
If your video does not have video controls, add the no-controlsclass to the video container.
Responsive Videos
To make your HTML5 Videos responsive just add the class responsive-videoto the video tag.