.nd_options_countdown_l3_elem { position:relative; }
  .nd_options_countdown_l3_elem:after {
    position: absolute;
    content: "/";
    top: 30px;
    right: -12px;
    font-size: 60px;
    color: #000;
    opacity: 0.05;
    font-weight: 100;
    z-index: 9;
    line-height: 60px;
  } 
  .nd_options_countdown_l3 .nd_options_countdown_l3_elem:last-child:after {
    display:none;
  }