/*.imgFile{-webkit-border-radius:5px;-moz-border-radius:5px;-ms-border-radius:5px;-o-border-radius:5px;border-radius:5px;background-color:#d46653;color:#fff;display:inline-block;height:28px;line-height:28px;text-align:center;width:72px;transition:background-color .2s linear 0s;border:none;cursor:pointer;margin:0 0 20px;width:auto;padding: 0 12px;margin-top:5px;}*/
.demo{width:700px;margin:0 auto}
.btn:hover{background-color:#e95a00;text-decoration:none}
.ul_pics li{float:left;width:160px;height:160px;border:1px solid #ddd;padding:2px;text-align:center;margin:0 5px 5px 0}
.ul_pics li .img{width:160px;height:140px;display:table-cell;vertical-align:middle}
.ul_pics li img{max-width:160px;max-height:140px;vertical-align:middle}
.progress{position:absolute;padding:1px;border-radius:5px;margin:0 auto;bottom: 3%;left: 5%;width:90%;}
.bar{background-color:green;display:block;width:0;height:20px;border-radius:5px}
.percent{position:absolute;height:20px;display:inline-block;top:0;left:2%;color:#fff}

.bart{width: 80%;margin: 0 auto;display: block;}