Web/CSS/min-width

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(20em);

/* Global values */
min-width: inherit;
min-width: initial;
min-width: unset;

Values

<length>

Defines the min-width as an absolute value.

<percentage>

Defines the min-width as a percentage of the containing block's width.

auto

The browser will calculate and select a min-width for the specified element.

max-content

The intrinsic preferred min-width.

min-content

The intrinsic minimum min-width.

fit-content(<length-percentage>)

Uses the fit-content formula with the available space replaced by the specified argument, i.e. min(max-content, max(min-content, argument)).

Formal 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
Computed value	the percentage as specified or the absolute length
Animation type	a length, percentage or calc();

Formal syntax

auto | <length> | <percentage> | min-content | max-content | fit-content(<length-percentage>)where <length-percentage> = <length> | <percentage>

Examples

Setting minimum element width

table { min-width: 75%; }

form { min-width: 0; }

Specifications

Specification	Status	Comment
CSS Box Sizing Module Level 4The definition of 'min-width' in that specification.	Editor's Draft
CSS Box Sizing Module Level 3The definition of 'min-width' in that specification.	Working Draft	Adds the max-content, min-content, fit-content keywords.
CSS Flexible Box Layout ModuleThe definition of 'min-width' in that specification.	Candidate Recommendation	Adds the auto keyword and uses it as the initial value.
CSS Level 2 (Revision 1)The definition of 'min-width' in that specification.	Recommendation	Initial definition.

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
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
min-width	Chrome Full support 1	Edge Full support 12	Firefox Full support 1 Notes' Full support 1 Notes' Notes' CSS 2.1 leaves the behavior of min-width with table undefined. Firefox supports applying min-width to table elements.	IE Full support 7	Opera Full support 4 Notes' Full support 4 Notes' Notes' CSS 2.1 leaves the behavior of min-width with table undefined. Opera supports applying min-width to table elements.	Safari Full support 1	WebView Android Full support 4.4	Chrome Android Full support 18	Firefox Android Full support 4 Notes' Full support 4 Notes' Notes' CSS 2.1 leaves the behavior of min-width with table undefined. Firefox supports applying min-width to table elements.	Opera Android Full support 14	Safari iOS Full support 1	Samsung Internet Android Full support 1.0
auto	Chrome Full support 21 Notes' Full support 21 Notes' Notes' Chrome uses auto as the initial value for min-width.	Edge Full support 12 Notes' Full support 12 Notes' Notes' Edge uses auto as the initial value for min-width.	Firefox Full support 34 Full support 34 No support 16 — 22 Notes' Notes' Firefox 18 and later (until the value was removed), used auto as the initial value for min-width.	IE No support No	Opera Full support 12.1 Notes' Full support 12.1 Notes' Notes' Opera uses auto as the initial value for min-width.	Safari No support No	WebView Android Full support 37 Notes' Full support 37 Notes' Notes' Chrome uses auto as the initial value for min-width.	Chrome Android Full support 25 Notes' Full support 25 Notes' Notes' Chrome uses auto as the initial value for min-width.	Firefox Android Full support 34 Full support 34 No support 16 — 22 Notes' Notes' Firefox 18 and later (until the value was removed), used auto as the initial value for min-width.	Opera Android Full support 14 Notes' Full support 14 Notes' Notes' Opera uses auto as the initial value for min-width.	Safari iOS No support No	Samsung Internet Android Full support 1.5 Notes' Full support 1.5 Notes' Notes' Samsung Internet uses auto as the initial value for min-width.
fit-content	Chrome Full support 46 Full support 46 Full support 25 Prefixed' Prefixed' Implemented with the vendor prefix: -webkit-	Edge Full support 79 Full support 79 Full support 79 Prefixed' Prefixed' Implemented with the vendor prefix: -webkit-	Firefox Full support 3 Prefixed' Notes' Full support 3 Prefixed' Notes' Prefixed' Implemented with the vendor prefix: -moz- Notes' Firefox implements the definitions given in CSS3 Basic Box. This defines available and not fit-available. Also, the definition of fit-content is simpler than in CSS3 Sizing.	IE No support No	Opera Full support 33 Full support 33 Full support 15 Prefixed' Prefixed' Implemented with the vendor prefix: -webkit-	Safari Full support 11 Full support 11 Full support 6.1 Prefixed' Prefixed' Implemented with the vendor prefix: -webkit-	WebView Android Full support 46 Full support 46 Full support ≤37 Prefixed' Prefixed' Implemented with the vendor prefix: -webkit-	Chrome Android Full support 46	Firefox Android Full support 4 Prefixed' Notes' Full support 4 Prefixed' Notes' Prefixed' Implemented with the vendor prefix: -moz- Notes' Firefox implements the definitions given in CSS3 Basic Box. This defines available and not fit-available. Also, the definition of fit-content is simpler than in CSS3 Sizing.	Opera Android Full support 33	Safari iOS Full support 11 Full support 11 Full support 7 Prefixed' Prefixed' Implemented with the vendor prefix: -webkit-	Samsung Internet Android Full support 5.0 Alternate Name' Full support 5.0 Alternate Name' Alternate Name' Uses the non-standard name: -webkit-fill-available
max-content	Chrome Full support 46 Full support 46 Full support 25 Prefixed' Prefixed' Implemented with the vendor prefix: -webkit-	Edge Full support 79 Full support 79 Full support 79 Prefixed' Prefixed' Implemented with the vendor prefix: -webkit-	Firefox Full support 66 Full support 66 Full support 3 Prefixed' Prefixed' Implemented with the vendor prefix: -moz-	IE No support No	Opera Full support 33 Full support 33 Full support 15 Prefixed' Prefixed' Implemented with the vendor prefix: -webkit-	Safari Full support 11 Full support 11 Full support 2 Alternate Name' Alternate Name' Uses the non-standard name: intrinsic	WebView Android Full support 46 Full support 46 Full support ≤37 Prefixed' Prefixed' Implemented with the vendor prefix: -webkit-	Chrome Android Full support 46	Firefox Android Full support 66 Full support 66 Full support 4 Prefixed' Prefixed' Implemented with the vendor prefix: -moz-	Opera Android Full support 33	Safari iOS Full support 11 Full support 11 Full support 1 Alternate Name' Alternate Name' Uses the non-standard name: intrinsic	Samsung Internet Android Full support 5.0
min-content	Chrome Full support 46 Full support 46 Full support 25 Prefixed' Prefixed' Implemented with the vendor prefix: -webkit- No support 25 — 48 Alternate Name' Alternate Name' Uses the non-standard name: min-intrinsic	Edge Full support 79 Full support 79 Full support 79 Prefixed' Prefixed' Implemented with the vendor prefix: -webkit-	Firefox Full support 66 Full support 66 Full support 3 Prefixed' Prefixed' Implemented with the vendor prefix: -moz-	IE No support No	Opera Full support 33 Full support 33 Full support ≤15 Prefixed' Prefixed' Implemented with the vendor prefix: -webkit- No support ≤15 — 35 Alternate Name' Alternate Name' Uses the non-standard name: min-intrinsic	Safari Full support 11 Full support 11 Full support 2 Alternate Name' Alternate Name' Uses the non-standard name: min-intrinsic	WebView Android Full support 46 Full support 46 Full support ≤37 Prefixed' Prefixed' Implemented with the vendor prefix: -webkit- No support ≤37 — 48 Alternate Name' Alternate Name' Uses the non-standard name: min-intrinsic	Chrome Android Full support 46 Full support 46 Full support 25 Prefixed' Prefixed' Implemented with the vendor prefix: -webkit- No support 25 — 48 Alternate Name' Alternate Name' Uses the non-standard name: min-intrinsic	Firefox Android Full support 66 Full support 66 Full support 4 Prefixed' Prefixed' Implemented with the vendor prefix: -moz-	Opera Android Full support 33 Full support 33 Full support ≤14 Prefixed' Prefixed' Implemented with the vendor prefix: -webkit- No support ≤14 — 35 Alternate Name' Alternate Name' Uses the non-standard name: min-intrinsic	Safari iOS Full support 11 Full support 11 Full support 1 Alternate Name' Alternate Name' Uses the non-standard name: min-intrinsic	Samsung Internet Android Full support 5.0 Full support 5.0 Full support 1.5 Prefixed' Prefixed' Implemented with the vendor prefix: -webkit- No support 1.5 — 5.0 Alternate Name' Alternate Name' Uses the non-standard name: min-intrinsic
stretch Experimental'	Chrome Full support 22 Alternate Name' Full support 22 Alternate Name' Alternate Name' Uses the non-standard name: -webkit-fill-available	Edge Full support 79 Alternate Name' Full support 79 Alternate Name' Alternate Name' Uses the non-standard name: -webkit-fill-available	Firefox No support No	IE No support No	Opera Full support 15 Alternate Name' Full support 15 Alternate Name' Alternate Name' Uses the non-standard name: -webkit-fill-available	Safari No support No	WebView Android Full support 4.4 Alternate Name' Full support 4.4 Alternate Name' Alternate Name' Uses the non-standard name: -webkit-fill-available	Chrome Android Full support 25 Alternate Name' Full support 25 Alternate Name' Alternate Name' Uses the non-standard name: -webkit-fill-available	Firefox Android No support No	Opera Android Full support 14 Alternate Name' Full support 14 Alternate Name' Alternate Name' Uses the non-standard name: -webkit-fill-available	Safari iOS No support No	Samsung Internet Android Full support 1.5 Alternate Name' Full support 1.5 Alternate Name' Alternate Name' Uses the non-standard name: -webkit-fill-available

Legend

Full support  

Full support

No support  

No support

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

min-width by Mozilla Contributors is licensed under CC-BY-SA 2.5.