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CSS: Combining different length units with calc()

Dominik Schöler
March 08, 2013Software engineer at makandra GmbH

calc() lets you mix CSS units. Ever wanted to give an element "the container's width minus 20px on each side"? Here you go:

.foo {
  width: calc(100% - (20px * 2));
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When using Sass, you need to interpolate Sass expressions:

$margin: 20px * 2

  width: calc(100% - #{$margin})

Supported Show snapshot by all modern browsers and IE9+.

Posted by Dominik Schöler to makandra dev (2013-03-08 14:22)