Bootstrap borders

Note: This documentation is for an older version of Bootstrap (v.4). A newer version is available for Bootstrap 5. We recommend migrating to the latest version of our product - Material Design for Bootstrap 5.
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You can use border utilities to quickly style the border and border-radius of an element. Great for images, buttons, or any other element.


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



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



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


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


Border color

Also, 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>
        <span class="border border-white"></span>



Finally, you can add classes to an element to easily round its corners.


        <img src="..." alt="..." class="rounded mb-0">
        <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-pill">
        <img src="..." alt="..." class="rounded-0">



Use .rounded-lg or .rounded-sm for larger or smaller border-radius.


        <img class="rounded-sm" alt="100x100" src="...">
        <img class="rounded-lg" alt="100x100" src="...">