CSS border-inline-start property

Definition and Usage

border-inline-start The property is a shorthand for the following properties:

CSS border-inline-start property is an abbreviation of the following CSS property: border-bottom,border-left,border-right and border-top Very similar, but border-inline-start The property depends on the inline direction.

Note:relevant CSS properties writing-mode,text-orientation and direction Defines the inline direction. This affects the start and end positions of a line, as well as border-inline-start The result of the attribute. For English pages, the inline direction is from left to right, and the block direction is from top to bottom.

Instance

Example 1

Set the border width, color, and style at the start of the inline direction:

div {
  border-inline-start: 10px solid pink;
}

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Example 2: Combined with the writing-mode attribute

The position of the border at the start of the inline direction is affected by writing-mode Attribute effect:

div {
  writing-mode: vertical-rl;
  border-inline-start: 5px solid blue;
}

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Example 3: Combined with the direction attribute

The position of the border at the start of the inline direction is affected by direction Attribute effect:

div {
  direction: rtl;
  border-inline-start: 5px solid hotpink;
}

Try it yourself

CSS syntax

border-inline-start: border-inline-start-width border-inline-start-style border-inline-start-color|initial|inherit;

Attribute value

Value Description
border-inline-start-width

Specifies the border width at the start of the inline direction for the element.

The default value is medium.

border-inline-start-style

Specifies the border style at the start of the inline direction for the element.

The default value is none.

border-inline-start-color

Specifies the border color at the start of the inline direction for the element.

The default value is the current border color.

initial Sets this property to its default value. See initial.
inherit Inherits this property from its parent element. See inherit.

Technical details

Default value: medium none currentcolor
Inheritance: No
Animation creation: Supported. See:Animation-related properties.
Version: CSS3
JavaScript syntax: object.style.borderInlineStart="pink dotted 5px"

Browser support

The numbers in the table indicate the browser version that first fully supports this property.

Chrome Edge Firefox Safari Opera
69.0 79.0 41.0 12.1 56.0

Related pages

Tutorial:CSS Border

Reference:CSS border attribute

Reference:CSS border-inline attribute

Reference:CSS border-inline-end-style attribute

Reference:CSS border-inline-start-color property

Reference:CSS border-bottom-color attribute

Reference:CSS border-left-color property

Reference:CSS border-right-color property

Reference:CSS border-top-color property

Reference:CSS direction property

Reference:CSS text-orientation attribute

Reference:CSS writing-mode attribute