section.google-maps-area{position:relative;height:500px;background-position:center center;background-size:cover}section.google-maps-area div.btn{left:50%;left:-webkit-calc(50% - 80px);left:-moz-calc(50% - 80px);left:calc(50% - 80px);position:absolute;bottom:15px}@media(max-width:575px){section.google-maps-area{height:400px;background-position:calc(50% - 50px) center}}