.tab li {float:left; width:50px;}
.tab .cur{color:#96b7ee}
.cons{ display:none;  }
.on{display:block;font-size:14px}
.time{margin-top:10px;width:80px;font-size:10px;}
.left{width:50px;}
.left .user-avatar,.left .user-avatar img{ width:47px; height:47px; border-radius:47px;}
.name{color:red;margin-top:10px;margin-left:10px;}
.right{border:2px solid white;margin-left:20px;border-radius:1em;background:white; position:relative;}
.right:before {
    content: "";
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    border-right: 8px solid #fff;
    position: absolute;
    left: -8px;
    top: 10px;
}
.content{margin:10px;color:#000;line-height:20px}
.line{margin:10px 0;padding:10px; border-top: 1px dashed #ddd;}