Twitter Bootstrap Responsive Background-Image inside Div

Question

How i can modify #bg image so it would be responsive, resizable and proportional in all browser?

HTML:

Answer 1

This should work

background: url("youimage.png") no-repeat center center fixed;
-webkit-background-size: 100% auto;
-moz-background-size: 100% auto;
-o-background-size: 100% auto;
 background-size: 100% auto;