2ndkauboy/functions.php Secret

## functions.php
<?php

function twentythirteen_with_video_header_parent_enqueue_styles() {
	wp_enqueue_style( 'parent-style', get_template_directory_uri() . '/style.css' );
}

add_action( 'wp_enqueue_scripts', 'twentythirteen_with_video_header_parent_enqueue_styles' );

function twentythirteen_with_video_header_setup() {
	add_theme_support( 'custom-header', array(
		'video' => true,
		'image' => true,
	) );
}

add_action( 'after_setup_theme', 'twentythirteen_with_video_header_setup', 12 );

## header.php
<?php
/**
 * The Header template for our theme
 *
 * Displays all of the <head> section and everything up till <div id="main">
 *
 * @package WordPress
 * @subpackage Twenty_Thirteen
 * @since Twenty Thirteen 1.0
 */
?><!DOCTYPE html>
<!--[if IE 7]>
<html class="ie ie7" <?php language_attributes(); ?>>
<![endif]-->
<!--[if IE 8]>
<html class="ie ie8" <?php language_attributes(); ?>>
<![endif]-->
<!--[if !(IE 7) & !(IE 8)]><!-->
<html <?php language_attributes(); ?>>
<!--<![endif]-->
<head>
	<meta charset="<?php bloginfo( 'charset' ); ?>">
	<meta name="viewport" content="width=device-width">
	<title><?php wp_title( '|', true, 'right' ); ?></title>
	<link rel="profile" href="http://gmpg.org/xfn/11">
	<link rel="pingback" href="<?php bloginfo( 'pingback_url' ); ?>">
	<!--[if lt IE 9]>
	<script src="<?php echo get_template_directory_uri(); ?>/js/html5.js"></script>
	<![endif]-->
	<?php wp_head(); ?>
</head>

<body <?php body_class(); ?>>
	<div id="page" class="hfeed site">
		<header id="masthead" class="site-header" role="banner">
			<?php the_custom_header_markup(); ?>
			<a class="home-link" href="<?php echo esc_url( home_url( '/' ) ); ?>" title="<?php echo esc_attr( get_bloginfo( 'name', 'display' ) ); ?>" rel="home">
				<h1 class="site-title"><?php bloginfo( 'name' ); ?></h1>
				<h2 class="site-description"><?php bloginfo( 'description' ); ?></h2>
			</a>

			<div id="navbar" class="navbar">
				<nav id="site-navigation" class="navigation main-navigation" role="navigation">
					<button class="menu-toggle"><?php _e( 'Menu', 'twentythirteen' ); ?></button>
					<a class="screen-reader-text skip-link" href="#content" title="<?php esc_attr_e( 'Skip to content', 'twentythirteen' ); ?>"><?php _e( 'Skip to content', 'twentythirteen' ); ?></a>
					<?php wp_nav_menu( array( 'theme_location' => 'primary', 'menu_class' => 'nav-menu', 'menu_id' => 'primary-menu' ) ); ?>
					<?php get_search_form(); ?>
				</nav><!-- #site-navigation -->
			</div><!-- #navbar -->
		</header><!-- #masthead -->

		<div id="main" class="site-main">

## style.css
/**
Theme Name: TwentyThirteen with Video Header
Template: TwentyThirteen
*/

.wp-custom-header iframe,
.wp-custom-header img,
.wp-custom-header video {
	display: block;
	height: auto;
	max-width: 100%;
}

.wp-custom-header-video-button {
	position: absolute;
	right: 20px;
	bottom: 60px;
}

.site-header .home-link {
	position: absolute;
	bottom: 45px;
	max-width: 100%;
}

.site-header .home-link h1,
.site-header .home-link h2 {
	max-width: 1080px;
	margin: 0 auto;
}
	<?php

	function twentythirteen_with_video_header_parent_enqueue_styles() {
	wp_enqueue_style( 'parent-style', get_template_directory_uri() . '/style.css' );
	}

	add_action( 'wp_enqueue_scripts', 'twentythirteen_with_video_header_parent_enqueue_styles' );

	function twentythirteen_with_video_header_setup() {
	add_theme_support( 'custom-header', array(
	'video' => true,
	'image' => true,
	) );
	}

	add_action( 'after_setup_theme', 'twentythirteen_with_video_header_setup', 12 );
	/**
	Theme Name: TwentyThirteen with Video Header
	Template: TwentyThirteen
	*/

	.wp-custom-header iframe,
	.wp-custom-header img,
	.wp-custom-header video {
	display: block;
	height: auto;
	max-width: 100%;
	}

	.wp-custom-header-video-button {
	position: absolute;
	right: 20px;
	bottom: 60px;
	}

	.site-header .home-link {
	position: absolute;
	bottom: 45px;
	max-width: 100%;
	}

	.site-header .home-link h1,
	.site-header .home-link h2 {
	max-width: 1080px;
	margin: 0 auto;
	}