background images full screen css code example
Example 1: css background image full screen responsive
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;
}
Example 2: css full cover background image
body {
background: url(path/to/bg-image.jpg) no-repeat center center fixed;
background-size: cover;
}