/* Change page background graphic stripe */body { background-image: url(../ast/images/bg_astro.gif); background-repeat: repeat-y; }/* Change page menu background color */#pagemenu { background-color: #D1E7E8; }/* Change popup menu background color */.popupmenu { background-color: #b1d7db; }/* Change gradient graphic in background/top of main content area */#maincontent { background-image: url(../ast/images/gradient_astro.jpg);	background-repeat: no-repeat;	background-position: 0px 40px;}/* Change page menu dotted line under menu items */.menuitem, .menuitemon { border-bottom-color: #8AC2C7; }/* Change background color behind third-level menu */.menuitemsub, .menuitemsubon, #pagemenu ul { background-color: #E9F0CA; }