#fair_btn{position:fixed;bottom:0;z-index:10000;text-align:center;width:100%;margin-bottom:10px;font-weight:700}.square_btn{width:90%;display:inline-block;padding:.5em 1em;text-decoration:none;background:#a0a0a0;color:#fff;border-bottom:solid 4px #d1d7e4;border-radius:5px;line-height:2em;font-size:16px}.square_btn:active{-ms-transform:translateY(4px);-webkit-transform:translateY(4px);transform:translateY(4px);border-bottom:none}.square_btn:hover{opacity:1;color:#d1d7e4}@media screen and (min-width:768px){#fair_btn{width:600px}}