Background image not at 100% width

My site is here

I’m trying to get my background image to stretch to fill the width of my page. I don’t want it to be skewed but I don’t mind if some of the picture is cut off at the bottom. Basically like my Twitter.

I’m not quite sure what I’m doing wrong.

My code in my CSS is

html{
	background: url(http://i1212.photobucket.com/albums/cc452/jm_taylor/P8221414.jpg) no-repeat center center 	fixed;
 	background-size: 100%;
	-webkit-background-size: cover;
	-moz-background-size: cover;
	-o-background-size: cover;
	background-size: cover;
}

Thanks for your help!