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    The flex-shrink CSS property specifies the flex shrink factor of a flex item.

    See Using CSS flexible boxes for more properties and information.


    flex-shrink: 2;
    /* Global values */
    flex-shrink: inherit;
    flex-shrink: initial;
    flex-shrink: unset;


    See <number>. Negative values are invalid.

    Formal syntax



    element { 
      flex-shrink: 3;


    Specification Status Comment
    CSS Flexible Box Layout Module
    The definition of 'flex-shrink' in that specification.
    Candidate Recommendation  

    Browser compatibility

    Feature Firefox (Gecko) Chrome Internet Explorer Opera Safari
    Basic support 18.0 (18.0) (behind a pref) [1]
    20.0 (20.0) [2]
    21.0-webkit 11 [3] 12.10 8.0-webkit
    Feature Firefox Mobile (Gecko) Android IE Phone Opera Mobile Safari Mobile
    Basic support 18.0 (18.0) (behind a pref) [1]
    20.0 (20.0) [2]
    ? Not supported 12.10 Not supported

    [1] Firefox supports only single-line flexbox until Firefox 28. To activate flexbox support, for Firefox 18 and 19, the user has to change the about:config preference "layout.css.flexbox.enabled" to true.

    [2] Before Firefox 32, Gecko wasn't able to animate values starting or stopping at 0.

    [3] Internet Explorer 10 uses 0 instead of 1 as the initial value for the flex-shrink property. A workaround is to always set an explicit value for flex-shrink. See Flexbug #6 for more info.

    See also

    Document Tags and Contributors

    Last updated by: Sebastianz,