css cover full screen responsive background image code example
Example 1: css background full screen
body {
background: url(img/bg-image.jpg) no-repeat center center fixed;
-webkit-background-size: cover;
-moz-background-size: cover;
-o-background-size: cover;
background-size: cover;
}
Example 2: bootstrap create full screen background image
.wrapper{background: url('/assets/64531/green_suburb.jpg') no-repeat center center fixed;
-webkit-background-size: cover;
-moz-background-size: cover;
-o-background-size: cover;
background-size: cover;}