.description{padding:16px;margin:10px 0;background:#eee}

.sample{border:1px solid #e1e1e1}



.buttons{padding:5px;}
.buttons span{color:#0080FF;padding:0 5px;cursor:pointer;font:10px Verdana}
.buttons span.active, .buttons span:hover{background:#0080FF;color:#fff}