#fenxiangdao {display: inline-block; vertical-align: middle; margin: 0 10px 4px 10px; overflow: hidden;}
.share-container {margin: 0; height: 23px; padding: 0; line-height: 23px; display: inline-block; vertical-align: middle; margin: 0 0 4px 0;}
.share-container li {position: relative; float: left; width: 23px; height: 23px; list-style: none; margin-right: 5px;cursor: pointer;}
.share-container li img {width: 100%; height: 23px;}
#demo001 {width: 276px; height: 276px; position: fixed; top: 50%; left: 50%; margin: -128px 0 0 -128px; z-index: 999; background: #fff; padding: 10px; box-sizing: border-box;}
#demo-bg {position: fixed; top: 0; left: 0; z-index: 998; width: 100%; height: 100%; background: #000; opacity: .4;}