How to set the background color for a window title bar?

<style>
	.z-window-embedded-tl,.z-window-embedded-tr,.z-window-embedded-hl,.z-window-embedded-hr, .z-window-embedded-hm { 
		background-image:none;
		background-color:red; 
	} 
</style>

<zk>
	<style>
		.z-window-modal-hm, .z-window-modal-br,
		.z-window-modal-cr, .z-window-modal-cl,
		.z-window-modal-hr, .z-window-modal-tr,
		.z-window-modal-hl { background-image:none; background-color
		: #0C6BA8; }

		.z-window-modal-icon { width: 20px; height: 16px;
		border-width: 1px; border-style: solid; border-color: #0C6BA8
		#0C6BA8 #0C6BA8 #0C6BA8; box-shadow: inset 0 1px 0 #0C6BA8,
		inset -1px -1px 0 #0C6BA8, inset -1px -2px 0 #0C6BA8; }

		.z-window-modal-close { background:url('../images/close.jpg')
		transparent no-repeat 0 0; }

		.z-window-modal-header, .z-window-modal-header-noborder {
		padding-top : 1px; padding-right : -1px; padding-bottom : 1px;
		padding-left : 0; margin-right: -4px; }
	</style>
	<window id="win" title=" " width="520px" height="490px"
		border="normal" minimizable="false" mode="modal" maximizable="false"
		closable="true" action="show: slideDown;hide: slideUp">
	</window>
</zk>