.mainHeart{width:1200px;margin:0 auto}.cursor-pointer{cursor:pointer}.app{width:100%;height:100%}*{margin:0;padding:0}img{-webkit-user-drag:none;-moz-user-drag:none;-ms-user-drag:none;user-drag:none}li{list-style:none}img{vertical-align:top;border:none}::-webkit-scrollbar-track{background:rgba(0,0,0,.1);border-radius:0}::-webkit-scrollbar{-webkit-appearance:none;width:8px;height:6px}::-webkit-scrollbar-thumb{cursor:pointer;border-radius:5px;background:rgba(0,0,0,.15);transition:color .2s ease}