/*好看的滚动条*/
 ::-webkit-scrollbar{
     width:10px!important;
     height:10px!important;
    -webkit-appearance:none;
}
 ::-webkit-scrollbar-thumb{
     height:5px;border:1px solid transparent;
     border-top:none;border-bottom:none;
     -webkit-border-radius:6px;
     background-color:rgba(0,0,0,.3);
     background-clip:padding-box;
}

/*文字触发效果*/
 a:hover {
 /*border-bottom: 1px solid;*/
  color: #fff;
 text-shadow: -1px 0 0 #baf9ff, 0 1px 0 #baf9ff, 1px 0 0 #baf9ff, 0 -1px 0 #baf9ff;
 -webkit-transition: 0.3s;
 }

//回到顶部
#back-top {
     position: fixed;
     bottom: 10px;
     right: 5px;
     z-index: 99;
}
#back-top span {
     width: 150px;
     height: 174px;
     display: block;
     background:url(https://bpic.51yuansu.com/pic3/cover/00/65/24/5896fa51942d8_610.jpg)no-repeat center center;
}
#back-top a{outline:none}