Bootstrap Images - W3Schools

Bootstrap Images ❮ Previous Next ❯

Bootstrap Image Shapes

Rounded Corners:

Circle:

Thumbnail:

Rounded Corners

The .img-rounded class adds rounded corners to an image (IE8 does not support rounded corners):

Example

<img src="cinqueterre.jpg" class="img-rounded" alt="Cinque Terre"> Try it Yourself »

Circle

The .img-circle class shapes the image to a circle (IE8 does not support rounded corners):

Example

<img src="cinqueterre.jpg" class="img-circle" alt="Cinque Terre"> Try it Yourself »

Thumbnail

The .img-thumbnail class shapes the image to a thumbnail:

Example

<img src="cinqueterre.jpg" class="img-thumbnail" alt="Cinque Terre"> Try it Yourself »

Responsive Images

Images come in all sizes. So do screens. Responsive images automatically adjust to fit the size of the screen.

Create responsive images by adding an .img-responsive class to the <img> tag. The image will then scale nicely to the parent element.

The .img-responsive class applies display: block; and max-width: 100%; and height: auto; to the image:

Example

<img class="img-responsive" src="img_chania.jpg" alt="Chania"> Try it Yourself »

Image Gallery

You can also use Bootstrap's grid system in conjunction with the .thumbnail class to create an image gallery.

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Note: You will learn more about the Grid System later in this tutorial (how to create a layout with different amount of columns).

Example

<div class="row"> <div class="col-md-4"> <div class="thumbnail"> <a href="/w3images/lights.jpg"> <img src="/w3images/lights.jpg" alt="Lights" style="width:100%"> <div class="caption"> <p>Lorem ipsum...</p> </div> </a> </div> </div> <div class="col-md-4"> <div class="thumbnail"> <a href="/w3images/nature.jpg"> <img src="/w3images/nature.jpg" alt="Nature" style="width:100%"> <div class="caption"> <p>Lorem ipsum...</p> </div> </a> </div> </div> <div class="col-md-4"> <div class="thumbnail"> <a href="/w3images/fjords.jpg"> <img src="/w3images/fjords.jpg" alt="Fjords" style="width:100%"> <div class="caption"> <p>Lorem ipsum...</p> </div> </a> </div> </div></div> Try it Yourself »

Responsive Embeds

Also let videos or slideshows scale properly on any device.

Classes can be applied directly to <iframe>, <embed>, <video>, and <object> elements.

The following example creates a responsive video by adding an .embed-responsive-item class to an <iframe> tag (the video will then scale nicely to the parent element). The containing <div> defines the aspect ratio of the video:

Example

<div class="embed-responsive embed-responsive-16by9"> <iframe class="embed-responsive-item" src="..."></iframe></div> Try it Yourself »

What is aspect ratio? The aspect ratio of an image describes the proportional relationship between its width and its height. Two common video aspect ratios are 4:3 (the universal video format of the 20th century), and 16:9 (universal for HD television and European digital television).

You can choose between two aspect ratio classes:

<!-- 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> Try it Yourself »

Test Yourself With Exercises

Exercise:

Use a Bootstrap class to shape the image as a circle.

<img src="img_chania.jpg" alt="Chania" class=""> Submit Answer »

Start the Exercise

Complete Bootstrap Image Reference

For a complete reference of all image classes, go to our complete Bootstrap Image Reference.

Did You Know?

W3.CSS is an excellent alternative to Bootstrap.

W3.CSS is smaller, faster, and easier to use.

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