The flex-shrink CSS property sets the flex shrink factor of a flex item. If the size of all flex items is larger than the flex container, items shrink to fit according to flex-shrink.

/* <number> values */ flex-shrink: 2; flex-shrink: 0.6;  /* Global values */ flex-shrink: inherit; flex-shrink: initial; flex-shrink: revert; flex-shrink: unset; 

flex-shrink

The flex-shrink CSS property sets the flex shrink factor of a flex item. If the size of all flex items is larger than the flex container, items shrink to fit according to flex-shrink.

In use, flex-shrink is used alongside the other flex properties flex-grow and flex-basis, and normally defined using the flex shorthand.

Syntax

/* <number> values */ flex-shrink: 2; flex-shrink: 0.6;  /* Global values */ flex-shrink: inherit; flex-shrink: initial; flex-shrink: revert; flex-shrink: unset; 

The flex-shrink property is specified as a single <number>.

Values

<number>

See <number>. Negative values are invalid. Defaults to 1.

Formal definition

Initial value	1
Applies to	flex items, including in-flow pseudo-elements
Inherited	no
Computed value	as specified
Animation type	a number

Formal syntax

<number>

Examples

Setting flex item shrink factor

HTML

<p>The width of content is 500px; the flex-basis of the flex items is 120px.</p> <p>A, B, C have flex-shrink:1 set. D and E have flex-shrink:2 set</p> <p>The width of D and E is less than the others.</p> <div id="content">   <div class="box" style="background-color:red;">A</div>   <div class="box" style="background-color:lightblue;">B</div>   <div class="box" style="background-color:yellow;">C</div>   <div class="box1" style="background-color:brown;">D</div>   <div class="box1" style="background-color:lightgreen;">E</div> </div> 

CSS

#content {   display: flex;   width: 500px; }  #content div {   flex-basis: 120px;   border: 3px solid rgba(0,0,0,.2); }  .box {   flex-shrink: 1; }  .box1 {   flex-shrink: 2; } 

Result

Specifications

Specification
CSS Flexible Box Layout Module Level 1 # flex-shrink-property

See also

CSS Flexbox Guide: Basic Concepts of Flexbox CSS Flexbox Guide: Controlling Ratios of flex items along the main axis

Last modified: Aug 12, 2021, by MDN contributors

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