html {
  background: url(bg.jpg) no-repeat center center fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  background-attachment: fixed;
  overflow-y: hidden;
  overflow-x: hidden;
}
* {
  margin: 0;
  padding: 0;
  border: 0;
}

body {
  background: #fff;
  font: 1em sans-serif;
}