/*1点线*/
dot {
    position: relative;
  }
  dot:before {
    position: absolute;
    content: "";
    width: 100%;
    height: 4px;
    bottom: -4px;
    left: 0;
    background: url(../img/tag1.png) repeat-x 0 center;
  }
  /*单线*/
  underlineSingle {
    border-bottom: 1px solid #000;
  }
  /*双线*/
  underlineDouble {
    position: relative;
  }
  underlineDouble:before {
    position: absolute;
    content: "";
    width: 100%;
    height: 5px;
    bottom: -3px;
    left: 0;
    background: url(../img/tag2.png) repeat-x 0 center;
  }
  /*粗线*/
  underlineThick {
    border-bottom: 3px solid #000;
  }
  
  /*高亮*/
  Highlight{
    background: #00FF00;
  }
  // strong{
  //   background: #00FF00;
  //   font-weight: normal;
  // }