<!DOCTYPE html><html><head><metacharset="utf-8"><title> CSS Values and Units Test: 0vh and 0vw are correctly treated as 0px</title><metaname="assert"content=" 0vh and 0vw are correctly treated as 0px "/><linkrel="author"title="François REMY"href="mailto:fremycompany.developer@yahoo.fr"/><linkrel="help"href="http://www.w3.org/TR/css3-values/#viewport-relative-lengths"><linkrel="match"href="reference/all-green.html"/><styletype="text/css">html,body{margin:0px;padding:0px;}html{background:red;font-size:100vw;}#target{background:green;width:1rem;height:1em;font-size:100vh;}</style></head><body><divid="target"></div></body></html>