code {font:12px Monaco,monospaced; color:#963;}
    
    /* Start custom button CSS here
    ---------------------------------------- */
    .btn {
      display:inline-block;
      background:none;
      margin:0;
      padding:3px 0;
      border-width:0;
      overflow:visible;
      font:100%/1.2 Arial,Sans-serif;
      text-decoration:none;
      color:#333;
      }
    * html button.btn {
      padding-bottom:1px;
      }
    /* Immediately below is a temporary hack to serve the 
       following margin values only to Gecko browsers
       Gecko browsers add an extra 3px of left/right 
       padding to button elements which can't be overriden.
       Thus, we use -3px of left/right margin to overcome this. */
    html:not([lang*=""]) button.btn {
      margin:0 -3px;
      }
    .btn span {
      background:#f9f9f9;
      z-index:1;
      margin:0;
      padding:3px 0;
      border-left:1px solid #ccc;
      border-right:1px solid #bbb;
      }
    * html .btn span {
      padding-top:0;
      }
    .btn span span {
      background:none;
      position:relative;
      padding:3px .4em;
      border-width:0;
      border-top:1px solid #ccc;
      border-bottom:1px solid #bbb;
      }
    .btn b {
      background:#e3e3e3;
      position:absolute;
      z-index:2;
      bottom:0;
      left:0;
      width:100%;
      overflow:hidden;
      height:40%;
      border-top:3px solid #eee;
      }
    * html .btn b {
      top:1px;
      }
    .btn u {
      text-decoration:none;
      position:relative;
      z-index:3;
      }
    
    /* pill classes only needed if using pill style buttons ( LEFT | CENTER | RIGHT ) */
    button.pill-l span {
      border-right-width:0;
      }
    button.pill-l span span {
      border-right:1px solid #ccc;
      }
    button.pill-c span {
      border-right-style:none;
      border-left-color:#fff;
      }
    button.pill-c span span {
      border-right:1px solid #ccc;
      }
    button.pill-r span {
      border-left-color:#fff;
      }
    
    /* only needed if implementing separate hover state for buttons */
    .btn:hover span, .btn:hover span span {
      cursor:pointer;
      border-color:#9cf !important;
      color:#000;
      }
    
    /* use if one button should be the 'primary' button */
    .primary {
      font-weight:bold;
      color:#000;
      }