html,body{width: 100%;height: 100%}body{font-family: "Avenir","Source Sans Pro","Helvetica Neue","Helvetica","Arial","sans-serif";background-color: #FFFFFF}.text-vertical-center{display: table-cell;text-align: center;vertical-align: middle}.text-vertical-center h1{margin: 0;padding: 0;font-size: 4.5em;font-weight: 700}hr.small{max-width: 100px}.header{display: table;position: relative;width: 100%;height: 100%;-webkit-background-size: cover;-moz-background-size: cover;background-size: cover;-o-background-size: cover}.contacts-div{margin-top: 3%}img{vertical-align: middle;margin-left: auto;margin-right: auto;max-width: 100%}