.viewport { width:95%; height: 100%; overflow: hidden; position: relative; }
.overview { list-style: none; position: absolute; left: 0; top: 0;padding-right:15px }
.thumb .end,
.thumb { background-color:rgba(51,51,51,0.2); }
.scrollbar { position: relative; float: right; width: 10px; }
.track { background-color:rgba(225,255,255,0); height: 100%; width:10px; position: relative; padding: 0 1px;border-radius:30px; }
.thumb { height: 0px; width: 10px; cursor: pointer; overflow: hidden; position: absolute; top: 0;;border-radius:30px; }
.thumb .end { overflow: hidden; height: 0px; width: 10px; }
.disable{ display: none; }