Bootstrap class: .border-white

<span class="border border-white">Hello World</span>

Preview

Hello World

Tips 💡

You don't need to remember all these classes. Just use bootstrap builder instead.

Sass source

/* _borders.scss:25 */
.border-white {
  border-color: $white !important;
}

Uses variables

/* _borders.scss:25 */
$white

More in Bootstrap Borders