      <span class="icon icon-login"></span>
      <span class="icon icon-logout"></span>
      <span class="icon icon-mic"></span>
      <span class="icon icon-mute"></span>
      <span class="icon icon-sound"></span>
      <span class="icon icon-volume"></span>
      <span class="icon icon-clock"></span>
      <span class="icon icon-hourglass"></span>
      <span class="icon icon-lamp"></span>
      <span class="icon icon-light-down"></span>
      <span class="icon icon-light-up"></span>
      <span class=