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.

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.

none

No limit on the size of the box.

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

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

Browser compatibility

See also

• width, max-width
• The box model, box-sizing