`-moz-float-edge` CSS property
Deprecated: This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
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.
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.
The non-standard -moz-float-edge CSS property specifies whether the height and width properties of the element include the margin, border, or padding thickness.
Syntax
/* Keyword values */ -moz-float-edge: content-box; -moz-float-edge: margin-box; /* Global values */ -moz-float-edge: inherit; -moz-float-edge: initial; -moz-float-edge: revert; -moz-float-edge: revert-layer; -moz-float-edge: unset;
Values
This property is specified as one of the following keyword values:
-
content-box - The height and width properties include the content, but not the padding, border or margin.
-
margin-box - The height and width properties include the content, padding, border and margin.
Formal definition
| Initial value | content-box |
|---|---|
| Applies to | all elements |
| Inherited | no |
| Computed value | as specified |
| Animation type | discrete |
Formal syntax
-moz-float-edge = content-box | margin-box
Examples
HTML
<div class="box"> <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</p> </div>
CSS
.box {
display: block;
height: 5px;
margin: 0.5em auto;
color: gray;
-moz-float-edge: margin-box;
box-sizing: border-box;
}
Result
Specifications
Not part of any standard.
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on iOS | Samsung Internet | WebView Android | WebView on iOS | |
-moz-float-edge |
No |
No |
1 |
No |
No |
No |
4 |
No |
No |
No |
No |
No |
See also
© 2005–2025 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/CSS/Reference/Properties/-moz-float-edge