border-block-start-style
The border-block-start-style
CSS property defines the style of the logical block start border of an element, which maps to a physical border style depending on the element's writing mode, directionality, and text orientation. It corresponds to the border-top-style
, border-right-style
, border-bottom-style
, or border-left-style
property depending on the values defined for writing-mode
, direction
, and text-orientation
.
Try it
Syntax
css
/* <'border-style'> values */
border-block-start-style: dashed;
border-block-start-style: dotted;
border-block-start-style: groove;
/* Global values */
border-block-start-style: inherit;
border-block-start-style: initial;
border-block-start-style: revert;
border-block-start-style: revert-layer;
border-block-start-style: unset;
Related properties are border-block-end-style
, border-inline-start-style
, and border-inline-end-style
, which define the other border styles of the element.
Values
<'border-style'>
-
The line style of the border. See
border-style
.
Formal definition
Initial value | none |
---|---|
Applies to | all elements |
Inherited | no |
Computed value | as specified |
Animation type | discrete |
Formal syntax
border-block-start-style =
<'border-top-style'>
Examples
Dashed 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-lr;
border: 5px solid blue;
border-block-start-style: dashed;
}
Results
Specifications
Specification |
---|
CSS Logical Properties and Values Level 1 # border-style |
Browser compatibility
BCD tables only load in the browser
See also
- CSS Logical Properties and Values
- This property maps to one of the physical border properties:
border-top-style
,border-right-style
,border-bottom-style
, orborder-left-style
. writing-mode
,direction
,text-orientation