IE8 styling

functions.php

<?php
 
add_action( 'wp_enqueue_scripts', 'child_add_ie8_style_sheet', 200 );
/**
 * Enqueue a IE-specific style sheet.
 *
 * Add a style sheet for everyone, then mark it as conditional to IE7 or below.
 *
 * @author Gary Jones
 * @link   http://code.garyjones.co.uk/enqueued-style-sheet-extras/
 */
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' );
}

style.css

/*
* Stylesheet for IE8 and lower. Based on the first level media query for screens under 1139 pixels.
*/

.header-image .title-area {
  background: url(images/logoie.png) center no-repeat; // non-retina logo file
}

.wrap,
.site-inner,
.content-sidebar-wrap,
.footer-widgets .wrap {
	width: 960px; // use a set width instead of max-width to force static size.
	margin: 0 auto;
}

.content-sidebar-sidebar .content-sidebar-wrap,
.sidebar-content-sidebar .content-sidebar-wrap,
.sidebar-sidebar-content .content-sidebar-wrap {
	width: 740px;
}

.content,
.site-header .widget-area {
	width: 620px;
}

.genesis-nav-menu a {
	padding: 24px 18px;
}

.sidebar-content-sidebar .content,
.sidebar-sidebar-content .content,
.content-sidebar-sidebar .content {
	width: 400px;
}

.footer-widgets-1,
.footer-widgets-2,
.footer-widgets-3,
.sidebar-primary,
.title-area {
	width: 300px;
}