add_filter( 'body_class', 'product_categories' );
function product_categories( $classes ) {
if (is_product_category('sanitaryware') && is_product_category('Faucet')) {
$classes[] = 'product-category';
}
// return the $classes array
return $classes;
}

.ifproduct-category #content {
width: 100%;
float: none;
}