.hidden{
display:none;
}

#box_tab {
width: 249px;
height: 350px;
margin: 0px 0px 0px 0px;
}

#box_menu{
height: 34px;
margin-top:10px;
margin-left:0px;
padding: 0;
}

#box_menu li{
display: inline;
}


#box_menu li a{
padding: 0px;
text-decoration: none;
}