setting('popularfx_header_bg_color', array(
			'capability' => 'edit_theme_options',
			'transport' => 'refresh',
			'sanitize_callback' => 'popularfx_hex_rgba_sanitization',
		) );
		
		$wp_customize->add_control( new Popularfx_Customize_Alpha_Color_Control(
			$wp_customize, 'popularfx_header_bg_color', array(
				'sec