@media screen and (max-width:730px){#topcontrol{margin-bottom:35px}}#topcontrol{display:none}@media screen and (min-width:100px){#topcontrol{outline:0;display:block;z-index:2;background:rgba(0,0,0,0.4);border-radius:9px;box-sizing:border-box;font-size:24px;padding:10px;color:#fff;position:fixed;bottom:-100px;right:10px;cursor:pointer;-webkit-transition:all .7s ease-in-out;-moz-transition:all .7s ease-in-out;-o-transition:all .7s ease-in-out;-ms-transition:all .7s ease-in-out;transition:all .7s ease-in-out;overflow:auto}}