.back2top{align-items:center;display:flex;height:40px;justify-content:center;opacity:0;position:fixed;-webkit-transition:visibility .1s linear,opacity .1s linear;-moz-transition:visibility .1s linear,opacity .1s linear;transition:visibility .1s linear,opacity .1s linear;visibility:hidden;z-index:3}.back2top.is-visible{opacity:1;visibility:visible}@media (min-width:320px){.back2top{right:16px}}@media (min-width:768px){.back2top{right:20px}}@media (min-width:1024px){.back2top{right:30px}}@media (min-width:320px){.back2top{bottom:16px}}@media (min-width:768px){.back2top{bottom:20px}}@media (min-width:1024px){.back2top{bottom:30px}}.back2top span{display:none}.back2top svg{height:40px;width:40px}@media (min-width:768px){.back2top svg{height:54px;padding:0 10px 0 5px;white-space:nowrap;width:54px}}