::-webkit-scrollbar-track-piece {
background-color: #fff;
-webkit-border-radius: 0;
}
::-webkit-scrollbar-thumb {
background-color: green;
height: 50px;
outline-offset: -2px;
outline: 2px solid #fff;
-webkit-border-radius: 8px;
border: 2px solid #fff;
}

::-webkit-scrollbar {
width: 10px;
height: 10px;
}

::selection{background:#CD4900;color:#fff;}
::-moz-selection{background:#CD4900;color:#fff;}

#backToTop{width:58px;height:58px;background:url("https://images.cnblogs.com/cnblogs_com/fresh-air/476978/o_selectTop3.png");bottom:10px;right:15px;-moz-box-shadow:1px 1px 5px #333333; -webkit-box-shadow:1px 1px 5px #333333; box-shadow:1px 1px 5px #333333;transition: right .7s;
-moz-transition: right .7s;
-webkit-transition: right .7s;
-o-transition: right .7s;}