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May 16, 2015 at 4:59 pm
#108374
Tom
Lead Developer
Lead Developer
Shouldn’t have to insert anything into index.php..
This is the code you want to add into your child theme functions.php:
add_filter('body_class','add_category_to_single');
function add_category_to_single($classes, $class) {
if (is_single() ) {
global $post;
foreach((get_the_category($post->ID)) as $category) {
echo $category->cat_name . ' ';
// add category slug to the $classes array
$classes[] = 'category-'.$category->slug;
}
}
// return the $classes array
return $classes;
}
Then your CSS should work 🙂