background

 body {
  background: url(https://68.media.tumblr.com/75db6e5ad9e245f1db5c729d97d6ca28/tumblr_o2b0g1lQrK1v52d8co1_500.jpg) no-repeat center center fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  color:#6d6d6d;
}