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    outline-width Redirect 1


    The outline-width CSS property is used to set the width of the outline of an element. An outline is a line that is drawn around elements, outside the border edge, to make the element stand out:


    Formal syntax: <br-width>
    outline-width: thin
    outline-width: medium
    outline-width: thick
    outline-width: 1px     /* <length> values */
    outline-width: 0.1em
    outline-width: inherit


    Depends on the UA. Typically 1px in desktop browsers like Firefox.
    Depends on the UA. Typically 3px in desktop browsers like Firefox.
    Depends on the UA. Typically 5px in desktop browsers like Firefox.
    See <length> values.


    thin   medium    thick    2px    1ex      2em


    Specification Status Comment
    CSS Basic User Interface Module Level 3 Working Draft No change.
    CSS Transitions Working Draft Defines outline-width as animatable.
    CSS Level 2 (Revision 1) Recommendation  

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
    Basic support  1.0 1.5 (1.8) [*] 8.0 7.0 1.2 (125)
    Feature Android Firefox Mobile (Gecko) IE Phone Opera Mobile Safari Mobile
    Basic support ? ? ? ? ?

    In browsers previous to Gecko 1.8 (Firefox 1.5) essentially the same effect can be achieved using Mozilla CSS Extension -moz-outline-width.

    See also

    Document Tags and Contributors

    Contributors to this page: Sheppy
    Last updated by: Sheppy,
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