a{      display: inline-block;      position: relative;      width: 100px;      border-width:15px 0;      border-style:solid;      color: #fff;      text-decoration: none;  }  a:link, a:visited{      border-top-color: #333;      border-bottom-color: #222;  }  a:hover, a:active{      border-top-color: #222;      border-bottom-color: #111;  }  span {      display: inline-block;      width: 100px;      height: 30px;      position: absolute;      top: -15px;      left: 0;      font: bold 16px/30px arial ;      text-align: center;  }

　　

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