.site-footer section{padding:2em 0;font-size:.8em;background:#000}.site-footer--inner{text-align:center}.logo{width:4.2em;margin:0 auto}.logo img{width:100%}.copyright{flex-grow:1;margin:2em 0;color:#999;line-height:2}.back-to-top{position:relative;transform:rotate(-180deg);bottom:auto;right:auto;margin:0 auto;left:auto}@media screen and (min-width:768px){.site-footer{position:fixed;bottom:0;right:0;left:0;z-index:-1;height:12em}.site-footer section{padding:4em 0}.site-footer--inner{display:flex;align-items:center;flex-wrap:wrap}.logo{margin-right:2em}.copyright{flex-grow:1;margin:0;text-align:left;line-height:1.5}}