body, html { height: 100%; } .bg { /* The image used */ background-image: url("https://i.pinimg.com/736x/e5/e0/40/e5e04093a54f15e782be5c6ac822284a.jpg"); /* Full height */ height: 100%; /* Center and scale the image nicely */ background-position: center; background-repeat: no-repeat; background-size: cover; }