<?php

add_action( 'wp_enqueue_scripts', 'enqueue_child_theme_styles', PHP_INT_MAX);
function enqueue_child_theme_styles() {
    wp_enqueue_style( 'parent-style', get_template_directory_uri().'/style.css' );
    wp_enqueue_style( 'child-style', get_stylesheet_uri(), array('parent-style')  );
}

// This theme allows users to set a custom background
add_theme_support( 'custom-background', apply_filters( 'twentythirteen_custom_background_args', array(
    'default-color' => 'ffffff', 
) ) );