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shape-margin

The shape-margin CSS property sets a margin for a CSS shape created using shape-outside.

Try it

The margin lets you adjust the distance between the edges of the shape (the float element) and the surrounding content.

Syntax

/* <length> values */
shape-margin: 10px;
shape-margin: 20mm;

/* <percentage> value */
shape-margin: 60%;

/* Global values */
shape-margin: inherit;
shape-margin: initial;
shape-margin: revert;
shape-margin: revert-layer;
shape-margin: unset;

Values

<length-percentage>

Sets the margin of the shape to a <length> value or to a <percentage> of the width of the element's containing block.

Formal definition

Initial value 0
Applies to floats
Inherited no
Percentages refer to the width of the containing block
Computed value as specified, but with relative lengths converted into absolute lengths
Animation type a length, percentage or calc();

Formal syntax

shape-margin = 
<length-percentage>

<length-percentage> =
<length> |
<percentage>

Examples

Adding a margin to a polygon

HTML

<section>
  <div class="shape"></div>
  We are not quite sure of any one thing in biology; our knowledge of geology is
  relatively very slight, and the economic laws of society are uncertain to
  every one except some individual who attempts to set them forth; but before
  the world was fashioned the square on the hypotenuse was equal to the sum of
  the squares on the other two sides of a right triangle, and it will be so
  after this world is dead; and the inhabitant of Mars, if one exists, probably
  knows its truth as we know it.
</section>

CSS

section {
  max-width: 400px;
}

.shape {
  float: left;
  width: 150px;
  height: 150px;
  background-color: maroon;
  clip-path: polygon(0 0, 150px 150px, 0 150px);
  shape-outside: polygon(0 0, 150px 150px, 0 150px);
  shape-margin: 20px;
}

Result

Specifications

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
shape-margin 37 79 62 No 24 10.110.1 37 37 62 24 10.3 3.0

See also

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/CSS/shape-margin