.large-header {  position: relative;  width: 100%;  background: #333;  overflow: hidden;  background-size: cover;  background-position: center center;  z-index: 1;}#large-header {  background-image: url("demo-1-bg.jpg");}.main-title {  position: absolute;  margin: 0;  padding: 0;  color: #f9f1e9;  text-align: center;  top: 50%;  left: 50%;  -webkit-transform: translate3d(-50%, -50%, 0);  transform: translate3d(-50%, -50%, 0);}.demo-1 .main-title {  text-transform: uppercase;  font-size: 4.2em;  letter-spacing: 0.1em;}.main-title .thin {  font-weight: 200;}@media only screen and (max-width: 768px) {  .demo-1 .main-title {    font-size: 3em;  }}