UXP-Fixed/testing/web-platform/tests/content-security-policy/font-src/fonts.css

@font-face {
  font-family: 'Halflings';
  src:  url('/tools/runner/fonts/glyphicons-halflings-regular.woff') format('woff');
}

body {
    font-family: 'Halflings', Fallback, sans-serif;
}