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border-end-end-radius

The border-end-end-radius CSS property defines a logical border radius on an element, which maps to a physical border radius that depends on the element's writing-mode, direction, and text-orientation. This is useful when building styles to work regardless of the text orientation and writing mode.

Try it

This property affects the corner between the block-end and the inline-end sides of the element. For instance, in a horizontal-tb writing mode with ltr direction, it corresponds to the border-bottom-right-radius property.

Syntax

/* <length> values */
/* With one value the corner will be a circle */
border-end-end-radius: 10px;
border-end-end-radius: 1em;

/* With two values the corner will be an ellipse */
border-end-end-radius: 1em 2em;

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

Values

<length-percentage>: Denotes the size of the circle radius or the semi-major and semi-minor axes of the ellipse. As absolute length it can be expressed in any unit allowed by the CSS <length> data type. Percentages for the horizontal axis refer to the width of the box, percentages for the vertical axis refer to the height of the box. Negative values are invalid.

Formal definition

Initial value	`0`
Applies to	all elements; but User Agents are not required to apply to `table` and `inline-table` elements when `border-collapse` is `collapse`. The behavior on internal table elements is undefined for the moment.. It also applies to `::first-letter`.
Inherited	no
Percentages	refer to the corresponding dimension of the border box
Computed value	two absolute `<length>`s or `<percentage>`s
Animation type	a length, percentage or calc();

Formal syntax

border-end-end-radius = 
  <'border-top-left-radius'>

Examples

Border radius with vertical text

HTML

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

CSS Content

div {
  background-color: rebeccapurple;
  width: 120px;
  height: 120px;
  border-end-end-radius: 10px;
}

.exampleText {
  writing-mode: vertical-rl;
  padding: 10px;
  background-color: #fff;
  border-end-end-radius: 10px;
}

Results

Specifications

Specification
CSS Logical Properties and Values Level 1 # border-radius-properties

Browser compatibility

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`border-end-end-radius`	89	89	66	No	75	15	89	89	66	No	15	15.0