#panel_menu {
width:247px;
padding-right:1px;
margin-right:1px;
margin-top:1px;
margin-bottom:5px;
float:left;
border-right:1px solid #404040;
height:300px;
}

#panel_page {
width:750px;
float:left;
}

#panel_content {
width:95%;
padding:5px;
float:left;
}