Borders
Use border utilities to quickly style the border and border-radius of an element. Great for images, buttons, or any other element.
Bootstrap Borders documentationAdditive
<span class="border"></span>
<span class="border-top"></span>
<span class="border-right"></span>
<span class="border-bottom"></span>
<span class="border-left"></span>
Subtractive
<span class="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
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>
<span class="border border-white-10"></span>
Border width
<span class="border border-1"></span>
<span class="border border-2"></span>
<span class="border border-3"></span>
<span class="border border-4"></span>
<span class="border border-5"></span>
Border radius
Add classes to an element to easily round its corners.
<img class="img-fluid rounded" src="../assets/img/160x160/img1.jpg" alt="Example non-rounded image" />
<img class="img-fluid rounded-top" src="../assets/img/160x160/img1.jpg" alt="Example top rounded image" />
<img class="img-fluid rounded-right" src="../assets/img/160x160/img1.jpg" alt="Example right rounded image" />
<img class="img-fluid rounded-bottom" src="../assets/img/160x160/img1.jpg" alt="Example bottom rounded image" />
<img class="img-fluid rounded-left" src="../assets/img/160x160/img1.jpg" alt="Example left rounded image" />
<img class="img-fluid rounded-circle" src="../assets/img/160x160/img1.jpg" alt="Completely round image" />
<img class="img-fluid rounded-pill" src="../assets/img/documentation/img7.jpg" alt="Example pilled image" />
Sizes
Use the scaling classes for larger or smaller rounded corners. Sizes range from 0 to 3, and can be configured by modifying the utilities API.
<img class="img-fluid rounded-0" src="../assets/img/160x160/img1.jpg" alt="Example non-rounded image" />
<img class="img-fluid rounded-1" src="../assets/img/160x160/img1.jpg" alt="Example small rounded image" />
<img class="img-fluid rounded-2" src="../assets/img/160x160/img1.jpg" alt="Example default rounded image" />
<img class="img-fluid rounded-3" src="../assets/img/160x160/img1.jpg" alt="Example large rounded image" />