.topjump.visible{opacity:1;visibility:visible}.topjump{z-index:99999;position:fixed;left:50%;transform:translateX(-50%);bottom:0;padding:8px;overflow:hidden;opacity:0;visibility:hidden;-webkit-transition:opacity .3s 0,visibility 0 .3s;-moz-transition:opacity .3s 0,visibility 0 .3s;transition:opacity .3s 0,visibility 0 .3s;background-color:#337cb7;border:1px solid #337cb7;border-top-left-radius:20px;border-top-right-radius:20px;-moz-border-top-left-radius:20px;-moz-border-top-right-radius:20px;-webkit-border-top-left-radius:20px;-webkit-border-top-right-radius:20px;color:#fff;font-size:9px;font-weight:bolder;height:17px;letter-spacing:.5px;line-height:17px;text-align:center}