<title>CSS Test: Test the use of two variables in a non-custom property where one variable is inherited and the other references a non-existing variable with fallback that consists only of white space.</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="support/color-green-ref.html">

:root {

--a: green;

color: red;

p {

color: crimson;

color: var(--a) var(--b, );

<p>This text must be green.</p>