CSS: Full Size background image

[enteens]

Trying to get full size background image with:\[code\]html { height: 100%; background:url('../img/bg.jpg') no-repeat center center fixed; background-size: cover;}\[/code\]It's showing the background image with correct width but height gets stretched.I tried various options like\[code\]html {background:url('../img/bg.jpg') no-repeat center center fixed;background-size: 100% auto;-webkit-background-size: 100% auto;-moz-background-size: 100% auto;-o-background-size: 100% auto;\[/code\]}removing \[code\]height: 100%\[/code\]but none of them worked.