#header{height:80px}.buy{position:fixed;top:105px;left:0;display:block;width:100%;padding:1em 0;text-align:center;background:#22d3b6;color:#fff;text-decoration:none;transition:.3s}.buy:hover{background:#31dec1}.feature{padding:40px}.feature h2.title{font-size:36px;color:#000;text-align:center;font-weight:400}.feature h2.title:after{content:" ";display:block;width:150px;height:3px;margin:20px auto 0;background:#22d3b6}@media screen and (max-width:979px){.buy{position:relative;top:25px}}