Border Color

Utilities for controlling the border color of an element.

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

Quick reference

ClassColor
border-white
border-black
border-primary
border-primary-subtle
border-discovery
border-discovery-subtle
border-secondary
border-secondary-subtle
border-success
border-success-subtle
border-danger
border-danger-subtle
border-warning
border-warning-subtle
border-info
border-info-subtle
border-light
border-light-subtle
border-dark
border-dark-subtle

Basic usage

Setting the border color

Control the border color of an element using the border-{color} utilities.

<div class="border border-primary ..."></div>
<div class="border border-secondary ..."></div>
<div class="border border-secondary-subtle ..."></div>
<div class="border border-primary-subtle ..."></div>

Changing the border color

Use the border-{color} to modify the default border-color of a component.

This field is required.
<input class="form-control border-danger ..." />

Changing the opacity

Control the opacity of an element’s border color using the color opacity .bg-opacity-* utilities.

border-opacity-100
border-opacity-75
border-opacity-50
border-opacity-25
<div class="border-opacity-100 border border-secondary..."></div>
<div class="border-opacity-75 border border-secondary..."></div>
<div class="border-opacity-50 border border-secondary..."></div>
<div class="border-opacity-25 border border-secondary..."></div>