<!-- Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/ --> <!DOCTYPE html> <title>CSS Test: Test the use of variable references in the 'content' property.</title> <link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au"> <link rel="help" href="http://www.w3.org/TR/css-variables-1/#using-variables"> <link rel="match" href="variable-reference-12-ref.html"> <style> :root { --a: "hello"; --b: "there"; } #a:before { content: var(--a) " " var(--b); } </style> <p>The words "hello there" must appear below:</p> <p id=a></p>