border-block-end-width
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.
Theborder-block-end-widthCSS property defines the width of the logical block-end border of an element, which maps to a physical border width depending on the element's writing mode, directionality, and text orientation. It corresponds to theborder-top-width,border-right-width,border-bottom-width, orborder-left-width property depending on the values defined forwriting-mode,direction, andtext-orientation.
Try it
border-block-end-width: thick;writing-mode: horizontal-tb;border-block-end-width: thick;writing-mode: vertical-rl;border-block-end-width: 4px;writing-mode: horizontal-tb;border-block-end-width: 4px;writing-mode: vertical-lr;<section> <div> This is a box with a border around it. </div></section>#example-element { background-color: palegreen; color: black; border: 0 solid crimson; padding: 0.75em; width: 80%; height: 100px; unicode-bidi: bidi-override;}Syntax
/* <'border-width'> values */border-block-end-width: 5px;border-block-end-width: thick;/* Global values */border-block-end-width: inherit;border-block-end-width: initial;border-block-end-width: revert;border-block-end-width: revert-layer;border-block-end-width: unset;Related properties areborder-block-start-width,border-inline-start-width, andborder-inline-end-width, which define the other border widths of the element.
Values
<'border-width'>The width of the border. See
border-width.
Formal definition
| Initial value | medium |
|---|---|
| Applies to | all elements |
| Inherited | no |
| Percentages | logical-width of containing block |
| Computed value | absolute length;0 if the border style isnone orhidden |
| Animation type | by computed value type |
Formal syntax
border-block-end-width =
<line-width>
<line-width> =
<length [0,∞]>|
thin|
medium|
thick
Examples
Border width with vertical text
HTML
<div> <p>Example text</p></div>CSS
div { background-color: yellow; width: 120px; height: 120px;}.exampleText { writing-mode: vertical-lr; border: 1px solid blue; border-block-end-width: 5px;}Results
Specifications
| Specification |
|---|
| CSS Logical Properties and Values Level 1 # border-width |
Browser compatibility
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See also
- CSS Logical Properties and Values
- This property maps to one of the physical border properties:
border-top-width,border-right-width,border-bottom-width, andborder-left-width writing-mode,direction,text-orientation