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<?php
// Enqueue Pure Forms from CDN
add_action( 'wp_enqueue_scripts', 'add_pureforms_stylesheet' );
function add_pureforms_stylesheet() {
    wp_enqueue_style( 'pure-css', 'https://cdn.jsdelivr.net/pure/0.6.0/pure-min.css', false );
}
/* Custom body class for Pure Forms */
add_filter( 'body_class', 'add_pureforms_body_class' );
function add_pureforms_body_class( $classes ) {
    $classes[] = 'pure-form';
	return $classes;
}