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


Use border utilities to add or remove an element’s borders. Choose from all borders or one at a time.


<span class="border-dark"></span>
<span class="border-top border-dark"></span>
<span class="border-right border-dark"></span>
<span class="border-bottom border-dark"></span>
<span class="border-left border-dark"></span>


<span class="border-0 border-dark"></span>
<span class="border border-top-0 border-dark"></span>
<span class="border border-right-0 border-dark"></span>
<span class="border border-bottom-0 border-dark"></span>
<span class="border border-left-0 border-dark"></span>

Border color

Change the border color using utilities built on our theme colors.

<span class="border border-primary"></span>
<span class="border border-secondary"></span>
<span class="border border-success"></span>
<span class="border border-danger"></span>
<span class="border border-warning"></span>
<span class="border border-info"></span>
<span class="border border-light"></span>
<span class="border border-dark"></span>


Add classes to an element to easily round its corners.

100x100 100x100 100x100 100x100 100x100 100x100 100x100
<img src="..." alt="..." class="rounded">
<img src="..." alt="..." class="rounded-top">
<img src="..." alt="..." class="rounded-right">
<img src="..." alt="..." class="rounded-bottom">
<img src="..." alt="..." class="rounded-left">
<img src="..." alt="..." class="rounded-circle">
<img src="..." alt="..." class="rounded-0">