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  5. border-inline

border-inline

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since ⁨April 2021⁩.

The border-inline CSS property is a shorthand property for setting the individual logical inline border property values in a single place in the style sheet.

Try it

border-inline: solid;
writing-mode: horizontal-tb;

border-inline: dashed red;
writing-mode: vertical-rl;

border-inline: 1rem solid;
writing-mode: horizontal-tb;
direction: rtl;

<section class="default-example" id="default-example">
  <div class="transition-all" id="example-element">
    This is a box with a border around it.
  </div>
</section>

#example-element {
  background-color: #eeeeee;
  color: darkmagenta;
  padding: 0.75em;
  width: 80%;
  height: 100px;
  unicode-bidi: bidi-override;
}

The physical borders to which border-inline maps depends on the element's writing mode, directionality, and text orientation. It corresponds to the border-top and border-bottom or border-right, and border-left properties, depending on the values defined for writing-mode, direction, and text-orientation.

The borders in the other dimension can be set with border-block, which sets border-block-start, and border-block-end.

Constituent properties

This property is a shorthand for the following CSS properties:

Syntax

css
border-inline: 1px;
border-inline: 2px dotted;
border-inline: medium dashed blue;

/* Global values */
border-inline: inherit;
border-inline: initial;
border-inline: revert;
border-inline: revert-layer;
border-inline: unset;

Values

The border-inline is specified with one or more of the following, in any order:

<'border-width'>

The width of the border. See border-width.

<'border-style'>

The line style of the border. See border-style.

<color>

The color of the border.

Formal definition

Initial valueas each of the properties of the shorthand:
Applies toall elements
Inheritedno
Computed valueas each of the properties of the shorthand:
Animation typeas each of the properties of the shorthand:

Formal syntax

border-inline = 
  <'border-block-start'>  

<border-block-start> = 
  <line-width>  ||
  <line-style>  ||
  <color>       

<line-width> = 
  <length [0,∞]>  |
  thin            |
  medium          |
  thick           

<line-style> = 
  none    |
  hidden  |
  dotted  |
  dashed  |
  solid   |
  double  |
  groove  |
  ridge   |
  inset   |
  outset

Examples

Border with vertical text

HTML

html
<div>
  <p class="exampleText">Example text</p>
</div>

CSS

css
div {
  background-color: yellow;
  width: 120px;
  height: 120px;
}

.exampleText {
  writing-mode: vertical-rl;
  border-inline: 5px dashed blue;
}

Results

Specifications

Specification
CSS Logical Properties and Values Level 1
# propdef-border-inline

Browser compatibility

See also

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