<!DOCTYPE html> <html lang="en"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <title>CSS Test: font-synthesis: initial value</title> <link rel="author" title="Chris Lilley" href="chris@w3.org"> <link rel="match" href="font-synthesis-05-ref.html"> <link rel="help" href="https://www.w3.org/TR/css-fonts-3/#font-synthesis-prop"> <meta name="assert" content="This property controls whether user agents are allowed to synthesize bold or oblique font faces"> <style> @font-face { font-family: "test"; src: url(support/fonts/Lato-Medium.ttf); } @supports not (font-synthesis: weight style) { .test p {color: red;} } .test { font-family: "test"; font-size: 3em; font-synthesis: weight style; color: green; } </style> <p>Test passes if the text below is green, not red.</p> <section class="test"> <p>Filler text</p> <!-- Synthesis is allowed, but not required --> </section>