body{padding-bottom:160px !important;padding-top:10px !important}.upbtn{z-index:9999;width:100%;height:5px;color:#252C2F;position:fixed;bottom:-80px;cursor:pointer;background:#50667E;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 #50667E;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}body{padding-top:8px}.downbtn{z-index:9999;width:100%;height:-5px;color:#252C2F;position:fixed;top:-80px;cursor:pointer;background:#50667E;transition:all .3s ease-in-out}.downbtn:before{content:"";transition:all .3s ease-in-out;z-index:9999;width:70px;height:70px;border:9px solid #50667E;position:relative;top:-5px;left:50%;margin-left:-50px;cursor:pointer;display:block;transform:rotate(45deg);background:#FFF}.downbtn:hover{height:-16px}.downbtn:hover:before{top:14px}