het gaat dus om de shaduw randen van de header en de body, hier mijn child theme.

/* Theme Name: TwentyTwelveChild Description: A Child Theme of Twenty Twelve Theme Theme URI: http://www.tipsandtricks-hq.com Author: Jba Author URI: Template: twentytwelve Version: 1.0.0 */ @import url("../twentytwelve/style.css"); .entry-title a {     text-decoration: none !important; } .entry-content img, .comment-content img, .widget img, img.header-image, .author-avatar img, img.wp-post-image { 	/* Add fancy borders to all WordPress-added images but not things like badges and icons and the like */ 	border-radius: 3px; 	/* box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2); */ } /* Navigation Menu */ .main-navigation { 	margin-top: 24px; 	margin-top: 1.714285714rem; 	text-align: center; 	Background: #511f96; } .site-header h1, 	.site-header h2 { 		text-align: center; 	} .main-navigation ul.nav-menu, 	.main-navigation div.nav-menu > ul { 		border-bottom: 1px solid #511f96;                 background: #511f96; 		border-top: 1px solid #511f96; 		display: inline-block !important; 		text-align: left; 		width: 100%; 	} .main-navigation li a:hover { 		color: #ff6500; 	}  	.main-navigation ul li a { 	color: #ffffff; 	padding-right: 6px; 	padding-left: 6px; 	} 	.main-navigation .current-menu-item > a, 	.main-navigation .current-menu-ancestor > a, 	.main-navigation .current_page_item > a, 	.main-navigation .current_page_ancestor > a { 		color: #ffffff; 		font-weight: bold; 	} /* Minimum width of 960 pixels. */ @media screen and (min-width: 960px) { 	body { 		background-color: #e6e6e6; 	} 	body .site { 		padding: 0 40px; 		padding: 0 2.857142857rem; 		margin-top: 48px; 		margin-top: 3.428571429rem; 		margin-bottom: 48px; 		margin-bottom: 3.428571429rem; 		/* box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3); */ 	} 	body.custom-background-empty { 		background-color: #fff; 	} 	body.custom-background-empty .site, 	body.custom-background-white .site { 		padding: 0; 		margin-top: 0; 		margin-bottom: 0; 		box-shadow: none; 	} }