The min-width
CSS property sets the minimum width of an element. It prevents the used value of the width
property from becoming smaller than the value specified for min-width
.
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The element's width is set to the value of min-width
whenever min-width
is larger than max-width
or width
.
Syntax
/* <length> value */ min-width: 3.5em; /* <percentage> value */ min-width: 10%; /* Keyword values */ min-width: max-content; min-width: min-content; min-width: fit-content; min-width: fill-available; /* Global values */ min-width: inherit; min-width: initial; min-width: unset;
Values
<length>
- The minimum width, expressed as a
<length>
. Negative values make the declaration invalid. <percentage>
- The minimum width, expressed as a
<percentage>
of the containing block's width. Negative values make the declaration invalid.
Keyword values
auto
- The default minimum width for flex items, providing a more reasonable default than 0 for other layouts.
max-content
- The intrinsic preferred width.
min-content
- The intrinsic minimum width.
fill-available
- The containing block's width minus the horizontal margin, border, and padding. (Note that some browsers implement an ancient name for this keyword,
available
.) fit-content
- Defined as
min(max-content, max(min-content, fill-available))
.
Formal syntax
<length> | <percentage> | auto | max-content | min-content | fit-content | fill-available
Examples
table { min-width: 75%; } form { min-width: 0; }
Specifications
Specification | Status | Comment |
---|---|---|
CSS Intrinsic & Extrinsic Sizing Module Level 3 The definition of 'min-width' in that specification. |
Working Draft | Adds the max-content , min-content , fit-content , and fill-available keywords. (Both CSS3 Box and CSS3 Writing Modes drafts used to define these keywords, but are superseded by this spec.) |
CSS Flexible Box Layout Module The definition of 'min-width' in that specification. |
Candidate Recommendation | Adds the auto keyword and uses it as the initial value. |
CSS Transitions The definition of 'min-width' in that specification. |
Working Draft | Defines min-width as animatable. |
CSS Level 2 (Revision 1) The definition of 'min-width' in that specification. |
Recommendation | Initial definition. |
Initial value | auto |
---|---|
Applies to | all elements but non-replaced inline elements, table rows, and row groups |
Inherited | no |
Percentages | refer to the width of the containing block |
Media | visual |
Computed value | the percentage as specified or the absolute length |
Animation type | a length, percentage or calc(); |
Canonical order | the unique non-ambiguous order defined by the formal grammar |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
Desktop | Mobile | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Basic support | Chrome Full support 1 | Edge Full support 12 | Firefox
Full support
1
| IE Full support 7 | Opera
Full support
4
| Safari Full support 2 | WebView Android ? | Chrome Android ? | Edge Mobile Full support Yes | Firefox Android ? | Opera Android ? | Safari iOS ? | Samsung Internet Android ? |
fit-content , max-content , and min-content | Chrome
Full support
24
| Edge No support No | Firefox
Full support
3
| IE No support No | Opera No support No | Safari No support No | WebView Android ? | Chrome Android ? | Edge Mobile No support No | Firefox Android ? | Opera Android ? | Safari iOS ? | Samsung Internet Android ? |
stretch | Chrome
Full support
22
| Edge No support No | Firefox No support No | IE No support No | Opera No support No | Safari No support No | WebView Android
Full support
37
| Chrome Android
Full support
25
| Edge Mobile No support No | Firefox Android ? | Opera Android ? | Safari iOS ? | Samsung Internet Android ? |
auto | Chrome
Full support
21
| Edge
Full support
12
| Firefox
Full support
34
| IE No support No | Opera
Full support
12.1
| Safari No support No | WebView Android ? | Chrome Android ? | Edge Mobile ? | Firefox Android ? | Opera Android ? | Safari iOS ? | Samsung Internet Android ? |
Legend
- Full support
- Full support
- No support
- No support
- Compatibility unknown
- Compatibility unknown
- Experimental. Expect behavior to change in the future.
- Experimental. Expect behavior to change in the future.
- See implementation notes.
- See implementation notes.
- Uses a non-standard name.
- Uses a non-standard name.
- Requires a vendor prefix or different name for use.
- Requires a vendor prefix or different name for use.
See also
width
,max-width
- The box model,
box-sizing
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