support.css

@-moz-document domain("support.github.com") {
  /* generated support.github.com rules */
  .input-block #query {
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16"><path d="M15.7 13.3l-3.8-3.8C12.6 8.5 13 7.2 13 6c0-3.3-2.7-6-6-6C3.7 0 1 2.7 1 6c0 3.3 2.7 6 6 6 1.3 0 2.5-0.4 3.5-1.1L14.3 14.7c0.2 0.2 0.5 0.3 0.7 0.3s0.5-0.1 0.7-0.3c0.4-0.4 0.4-1 0-1.4 0 0 0 0 0 0V13.3zM7 10.7c-2.6 0-4.7-2.1-4.7-4.7S4.4 1.3 7 1.3s4.7 2.1 4.7 4.7S9.6 10.7 7 10.7z" fill="%23DDDDDD"/></svg>') no-repeat 6px;
  }
  #q {
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16"><path fill="%23bebebe" fill-rule="evenodd" d="M15.7 13.3l-3.81-3.83A5.93 5.93 0 0013 6c0-3.31-2.69-6-6-6S1 2.69 1 6s2.69 6 6 6c1.3 0 2.48-.41 3.47-1.11l3.83 3.81c.19.2.45.3.7.3.25 0 .52-.09.7-.3a.996.996 0 000-1.41v.01zM7 10.7c-2.59 0-4.7-2.11-4.7-4.7 0-2.59 2.11-4.7 4.7-4.7 2.59 0 4.7 2.11 4.7 4.7 0 2.59-2.11 4.7-4.7 4.7z"/></svg>') no-repeat 6px;
  }
}