-moz-outline-radius-topleft - CSS: Cascading Style Sheets 编辑

Non-standard

This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

In Mozilla applications, the -moz-outline-radius-topleft CSS property can be used to round the top-left corner of an element's outline.

Syntax

The value of -moz-outline-radius-topleft is either a CSS <length> or a percentage of the corresponding dimensions of the border box. The calc() function may be used as well.

Values

<length>

The radius of the circle defining the curvature of the top and left edges of the element, specified as a CSS <length>.

<percentage>

The radius of the circle defining the rounding of the top-left corner of the element, specified as the percentages of the top and left sides of the border box.

Formal definition

Formal syntax

<outline-radius>
where 
<outline-radius> = <length> | <percentage>

Examples

The example below will not display the desired effect if you are viewing this in a browser other than Firefox.

HTML

<p>Look at this paragraph's top-left corner.</p>

CSS

p {
  margin: 5px;
  border: solid cyan;
  outline: dotted red;
  -moz-outline-radius-topleft: 2em;
}

Result

Specifications

Not part of any standard.

Browser compatibility

BCD tables only load in the browser

See also

• See the -moz-outline-radius property for more information.