Custom Header in Genesis

/** Add support for custom header */
add_theme_support( 'genesis-custom-header', array( 'width' => 960, 'height' => 80, 'textcolor' => '333333', 'admin_header_callback' => 'georgia_admin_style' ) );



/** Register a custom admin callback to display the custom header preview with the same style as is shown on the front end */
function georgia_admin_style() {

	$headimg = sprintf( '.appearance_page_custom-header #headimg { background: url(%s) no-repeat; font-family: Georgia, Times, serif; min-height: %spx; }', get_header_image(), HEADER_IMAGE_HEIGHT );
	$h1 = sprintf( '#headimg h1, #headimg h1 a { color: #%s; font-size: 30px; font-variant: small-caps; font-weight: normal; line-height: 36px; margin: 10px 0 0; text-decoration: none; }', esc_html( get_header_textcolor() ) );
	$desc = sprintf( '#headimg #desc { color: #%s; font-size: 14px; font-style: italic; line-height: 1; margin: 0; }', esc_html( get_header_textcolor() ) );

	printf( '<style type="text/css">%1$s %2$s %3$s</style>', $headimg, $h1, $desc );

}