Genesis 2.0 Conditional CSS for Internet Explorers 7 & 8

gistfile1.php

//* Conditional CSS
add_action( 'wp_enqueue_scripts', 'child_add_ie8_style_sheet', 200 );
function child_add_ie8_style_sheet() {
	global $wp_styles;
	wp_enqueue_style( 'child-ie8', get_stylesheet_directory_uri() . '/style-ie8.css', array(), '1.0' );
	$wp_styles->add_data( 'child-ie8', 'conditional', 'lte IE 8' );
}

add_action( 'wp_enqueue_scripts', 'child_add_ie7_style_sheet', 200 );
function child_add_ie7_style_sheet() {
	global $wp_styles;
	wp_enqueue_style( 'child-ie7', get_stylesheet_directory_uri() . '/style-ie7.css', array(), '1.0' );
	$wp_styles->add_data( 'child-ie7', 'conditional', 'lte IE 7' );
}