a{display: inline-block;
    *display: inline;
    zoom: 1;
    padding: 6px 20px;
    margin: 0;
    cursor: pointer;
    border: 1px solid #bbb;
    overflow: visible;
    font: bold 13px arial, helvetica, sans-serif;
    text-decoration: none;
    white-space: nowrap;
    color: #555;
    
    background-color: #ddd;
    background-image: -webkit-gradient(linear, left top, left bottom, from(rgba(255,255,255,1)), to(rgba(255,255,255,0)));
    background-image: -webkit-linear-gradient(top, rgba(255,255,255,1), rgba(255,255,255,0));
    background-image: -moz-linear-gradient(top, rgba(255,255,255,1), rgba(255,255,255,0));
    background-image: -ms-linear-gradient(top, rgba(255,255,255,1), rgba(255,255,255,0));
    background-image: -o-linear-gradient(top, rgba(255,255,255,1), rgba(255,255,255,0));
    background-image: linear-gradient(top, rgba(255,255,255,1), rgba(255,255,255,0));
    
    -webkit-transition: background-color .2s ease-out;
    -moz-transition: background-color .2s ease-out;
    -ms-transition: background-color .2s ease-out;
    -o-transition: background-color .2s ease-out;
    transition: background-color .2s ease-out;
    background-clip: padding-box; /* Fix bleeding */
    -moz-border-radius: 3px;
    -webkit-border-radius: 3px;
    border-radius: 3px;
    -moz-box-shadow: 0 1px 0 rgba(0, 0, 0, .3), 0 2px 2px -1px rgba(0, 0, 0, .5), 0 1px 0 rgba(255, 255, 255, .3) inset;
    -webkit-box-shadow: 0 1px 0 rgba(0, 0, 0, .3), 0 2px 2px -1px rgba(0, 0, 0, .5), 0 1px 0 rgba(255, 255, 255, .3) inset;
    box-shadow: 0 1px 0 rgba(0, 0, 0, .3), 0 2px 2px -1px rgba(0, 0, 0, .5), 0 1px 0 rgba(255, 255, 255, .3) inset;
    text-shadow: 0 1px 0 rgba(255,255,255, .9);
    
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
  }
  
  a:hover{
    background-color: #eee;
    color: #555;
  }
  
  a:active{
    background: #e9e9e9;
    position: relative;
    top: 1px;
    text-shadow: none;
    -moz-box-shadow: 0 1px 1px rgba(0, 0, 0, .3) inset;
    -webkit-box-shadow: 0 1px 1px rgba(0, 0, 0, .3) inset;
    box-shadow: 0 1px 1px rgba(0, 0, 0, .3) inset;
  }
  
  a[disabled], .button[disabled]:hover, .button[disabled]:active{
    border-color: #eaeaea;
    background: #fafafa;
    cursor: default;
    position: static;
    color: #999;
    /* Usually, !important should be avoided but here it's really needed :) */
    -moz-box-shadow: none !important;
    -webkit-box-shadow: none !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }

#center{
    text-align: center;
}