#page_header{background-image: url(../images/background_top2.jpg);}
#texto_header{background-image: url(../images/logo_superior2.png);height:55px; width:431px;}
#header_user ul{border-left: 1px solid #1c3c75;}
#header_user ul li a{color: #fff;}
#header_user ul li #img_voltar{background-image: url(../images/voltar2.png);}