<!DOCTYPE html><metacharset="UTF-8"><title>CSS Values and Units Test: ch unit in width (basic)</title><linkrel="author"title="Gérard Talbot"href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"><linkrel="help"href="https://www.w3.org/TR/css-values-3/#font-relative-lengths"><linkrel="match"href="reference/ch-unit-008-ref.html"><style>div{font-size:80px;/* arbitrary font size */}div#test-blue{background-color:blue;height:1.8em;width:5ch;}div#reference-orange{background-color:orange;color:orange;float:left;line-height:1.8;/* arbitrary line-height */}</style><p>Test passes if there is a blue rectangle with the <strong>same width</strong> as an orange rectangle.<divid="test-blue"></div><divid="reference-orange">00000</div>