/* one i made entirely by myself! */
  .alt {
    width: 10px;
    height: 30px;
    background: #d55e00;
    transition: width 2s;
    color:rgba(0,0,0,0);
    overflow:hidden;
    cursor:pointer;
  }
  
  .alt:active,
  .alt:hover {
    width: auto;
    color:rgba(255,255,255,1);
  }
  
  /* annotation */
  .annotation {
    cursor:help;
    border-bottom: 3px dotted black;
  }