#menu, #footer , #footer.center, #footer.right, #header, #right
{
display: none;
}

#page-container, #content , #center
{
float: none; 
margin: 0; 
width: 100%;
}

#header
{
float: none; 
margin: 0; 
width: 100%;
}

#content
{
float: none; 
margin: 0; 
width: 100%;
}

#center {
float: none;
margin: 0; 
width: 100%;
       }