<!DOCTYPE html>
<title>CSS Conditional Test: @supports font-format()</title>
<link rel="author" title="Jonathan Kew" href="mailto:jkew@mozilla.com">
<link rel="author" href="https://mozilla.org" title="Mozilla">
<link rel="help" href="https://drafts.csswg.org/css-conditional-5/#typedef-supports-font-format-fn">
<link rel="match" href="at-supports-001-ref.html">
<style>
  div {
    background: red;
    height: 10px;
    width: 100px;
  }
  /* assume all browsers support at least opentype, truetype, woff */
  @supports font-format(opentype) {
    #test1 { background: green };
  }
  @supports font-format(TrueType) {
    #test2 { background: green };
  }
  @supports font-format(Woff) {
    #test3 { background: green };
  }
  /* forms that should NOT be recognized as supported */
  @supports not font-format() {
    #test4 { background: green };
  }
  @supports not font-format(xyzzy) {
    #test5 { background: green };
  }
  @supports not font-format("opentype") {
    #test6 { background: green };
  }
  @supports not font-format("truetype") {
    #test7 { background: green };
  }
  @supports not font-format("woff") {
    #test8 { background: green };
  }
  @supports not font-format(truetype opentype) {
    #test9 { background: green };
  }
  @supports not font-format(truetype, opentype) {
    #test10 { background: green };
  }
</style>
<p>Test passes if there is a <strong>filled green square</strong> and <strong>no red</strong>.</p>
<div id=test1></div>
<div id=test2></div>
<div id=test3></div>
<div id=test4></div>
<div id=test5></div>
<div id=test6></div>
<div id=test7></div>
<div id=test8></div>
<div id=test9></div>
<div id=test10></div>
