.widthreduce, .scshtCont ul{width:90%;margin:20px auto;}
#scshtNextPrev{top:50%}
#scshtPrev, #scshtNext{background:transparent;color:#999;font-size:60px}

.showhide {
    display: none
}
#lhsTree > li > ul > span {
    background: #fff;
    text-align: right;
    padding: 0 0 10px;
    color: #138cd6;
    cursor: pointer;
    display: block;
    color: #777;
    text-decoration: none;
}