Add {}
in your media query:
@media only screen and (max-width : 480px){
body {
background-color:white;
}
#columnout {
background:none;
background-color:#0090d7;
width: 300px;
height: 200px;
margin-top: 210px;
position:absolute;
z-index:100;
}
#column{
width: auto;
height: auto;
text-align: right;
margin-left: 47px;
z-index: 1;
margin-top: -29px;
}
}
For more details please see this link: http://mobile.smashingmagazine.com/2010/07/19/how-to-use-css3-media-queries-to-create-a-mobile-version-of-your-website/
3
solved Media Queries fix issue