#menu_top .menu_item_home,
#menu_top .menu_item_portfolio
{
    display:block; /* set to "none" for home page */
}

#menu_top a,
#menu_bottom a
{
	min-width:120px; /* force onto 1 per line */

}

#theme_thumbnail_container
{
    display:block; /* set to "none" for home page */
}



#content_navigation_left
{
	/* THIS WAS CRITICAL TO MAKE IT WORK !!! */
	/* As "stylin in CSS", page 125 explains, the parent-DIV's (here parent div = content_navigation_left) */
	/* positioning context must be set to "relative" in order for the descendant's (here descendant = theme_thumbnail_container) */
	/* positioning context of "position:absolute" to work !!! */
	position:relative;
}