Images Cara membuat background gambar full

Cara 1

Gunakan css

html { 
  background: url(images/bg.jpg) no-repeat center center fixed; 
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}

Cara 2 cukup menggunakan

<img src="images/bg.jpg" id="bg" alt="" style="position:fixed; top:0; left:0; min-width:100%; min-height:100%;">