Viewport units

The vw, vh, vmin, and vmax CSS viewport units are relative to the size of the viewport, and are used to size elements in relation to the viewport's dimensions.

Learning resources on MDN

• Relative_length_units_based_on_viewport, in <length>

Browser support (view on caniuse.com)

• Chrome 26 Released on 2013-03-26
• Chrome Android 26 Released on 2013-04-03
• Edge 16 Released on 2017-10-17
• Firefox 19 Released on 2013-02-19
• Firefox for Android 19 Released on 2013-02-19
• Safari 7 Released on 2013-10-22
• Safari on iOS 7 Released on 2013-09-18

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