#mainNav a#home {background-image:url('../images/selected-bt.png');}
#GridPage   { width:940px;}
#GrideLeft  { display:none; width:350px; float:left;}
#SiteFooterContainer    { margin-top:400px;padding-bottom:15px;}
@media only screen and (max-width:800px) {
    #mainNav a#home { background-color:rgba(27,147,156,.5);}
}