ttv2.css

      [data-tooltip], .tooltip {
        text-decoration: none!important;
        border-bottom: 3px double black;
        margin-bottom: -3px;
        position: relative;
        white-space: nowrap;
      }
      @-moz-document url-prefix() {
        [data-tooltip], .tooltip, [data-tooltip] a, .tooltip a {
          display: inline-block;
          line-height: 0.95em;
        }
      }
      [data-tooltip] a, .tooltip a {
        text-decoration: none;
        border-bottom: 1px solid black;
        padding-bottom: 4px;
        margin-bottom: -5px;
      }
      [data-tooltip]::before, .tooltip::before {
        content: " ";
        line-height: 0;
        color: transparent;
        font-size: 0;
        display: none;
        width: 0;
        height: 0;
        border: 5px solid transparent;
        border-bottom-color: #333;
        position: absolute;
        top: 100%;
        opacity: 0;
        left: 50%;
        margin-left: -5px;
        font-size: 12px;
      }
      [data-tooltip]::after, .tooltip > span {
        content: attr(data-tooltip);
        display: none;
        position: absolute;
        left: 50%;
        white-space: nowrap;
        min-width: 100%;
        -webkit-transform: translateX(-50%);
        -moz-transform: translateX(-50%);
        -o-transform: translateX(-50%);
        transform: translateX(-50%);
        padding: 0 5px;
        min-height: 18px;
        line-height: 18px;
        z-index: 0;
        font-size: 11px;
        -webkit-box-sizing: border-box;
        -moz-box-sizing: border-box;
        -o-box-sizing: border-box;
        box-sizing: border-box;
        color: white;
        background: rgba(24,24,24,0.8);
        background: -webkit-gradient(linear, left top, left bottom, from(rgba(51,51,51,0.8)), to(rgba(0,0,0,0.8)));
        background: -moz-linear-gradient(top, rgba(51,51,51,0.8), rgba(0,0,0,0.8));
        font-weight: normal;
        text-align: center;
        -webkit-border-radius: 3px;
        -moz-border-radius: 3px;
        -o-border-radius: 3px;
        border-radius: 3px;
        margin-top: 10px;
        top: 100%;
        font-family: sans-serif;
      }
      [data-tooltip]:hover::after, .tooltip:hover span {
        z-index: 2;
        display: block;
      }
      [data-tooltip]:hover::before, .tooltip:hover::before {
        opacity: 0.8;
        display: block;
      }