gistfile1.css

@namespace url(http://www.w3.org/1999/xhtml);

@-moz-document domain("github.com") {
  
    
  /* General code display */
  pre, code, pre > code,
  /* commit refs */
  span.commit-ref,
  /* commit meta */
  a.message, tr.commit td.commit-meta > code > a,
  /* file browser */
  a.js-directory-link { font-family: Source Code Pro !important; }

  /* commit messages, file browser entities */
  a.message, a.js-directory-link { font-size: 9pt !important; }

  /* Widescreen adjustements */
  @media only screen and (min-width: 1200px) {
    .site > .container,
    .repo-container, .gist.container  {
      width: 1200px !important;    
    }

    .pagehead .container .entry-title {
      animation-duration: 12s;
      animation-name: roll-pageheader;
    }
    
    @keyframes roll-pageheader {
      from { margin-left: 0; }
      40% { margin-left: 30%; }
      to { margin-left: 0; }
    }

    /* expand code view, directory, commits etc. */
    .repo-container > div:last-of-type {
       width: 1000px !important;
     }

    .gist.container .column.files { width: 1000px !important; }
  }

  
}