public function setup_content_settings() {
		return [
			'font_family'             => [
				'sanitize_callback'    => 'sanitize_key',
				'sanitize_js_callback' => 'sanitize_key',
			],
			'font_size'               => [
				'sanitize_callback'    => 'sanitize_key',
				'sanitize_js_callback' => 'sanitize_key',
			],
			'font_size_base'          => [
				'sanitize_callback'    => 'sanitize_key',
				'sanitize_js_callback' => 'sanitize_key',
			],
			'event_title_color'       => [
				'sanitize_callback'    => 'sanitize_hex_color',
				'sanitize_js_callback' => 'maybe_hash_hex_color',
			],
			'event_date_time_color'   => [
				'sanitize_callback'    => 'sanitize_hex_color',
				'sanitize_js_callback' => 'maybe_hash_hex_color',
			],
			'link_color'              => [
				'sanitize_callback'    => 'sanitize_hex_color',
				'sanitize_js_callback' => 'maybe_hash_hex_color',
			],
			'background_color_choice' => [
				'sanitize_callback'    => 'sanitize_key',
				'sanitize_js_callback' => 'sanitize_key',
			],
			'background_color'        => [
				'sanitize_callback'    => 'sanitize_hex_color',
				'sanitize_js_callback' => 'maybe_hash_hex_color',
			],
			'accent_color'            => [
				'sanitize_callback'    => 'sanitize_hex_color',
				'sanitize_js_callback' => 'maybe_hash_hex_color',
			],
		];
	}