@media only screen and (max-width:480px){div#wrapper{width:400px}div#header{background-image:url(/wp-content/themes/rgb/css/media-queries-phone.jpg);height:93px;position:relative}div#header h1{font-size:140%}#content{float:none;width:100%}#navigation{float:none;width:auto}}@media only screen and (max-width:480px){.box_soc_mob{margin:auto auto 100px auto}}