body{padding-bottom:40px}.upbtn{z-index:9999;width:100%;height:5px;color:#252C2F;position:fixed;bottom:-80px;cursor:pointer;background:#2379B5;transition:all .3s ease-in-out}.upbtn:before{content:"";transition:all .3s ease-in-out;z-index:9999;width:70px;height:70px;border:9px solid #2379B5;position:relative;bottom:10px;left:50%;margin-left:-50px;cursor:pointer;display:block;transform:rotate(45deg);background:#FFF}.upbtn:hover{height:16px}.upbtn:hover:before{bottom:14px}#winSize{position:fixed;bottom:0%;left:1%;border:rgb(0 0 0 / 0%) 3px solid;background:rgb(0 0 0 / 55%);padding-bottom:5px;padding-left:15px;padding-right:15px;border-radius:4px 4px 0 0;color:#fff;text-shadow:#000 1px 1px 1px,#000 -1px 1px 1px;z-index:9999;font-size:small}