public static function field_pum_styles() {
		$core_styles = file_get_contents( Popup_Maker::$DIR . 'assets/css/pum-site' . (is_rtl() ? '-rtl' : '') . PUM_Site_Assets::$suffix . '.css' );

		$user_styles = PUM_AssetCache::generate_font_imports() . PUM_AssetCache::generate_popup_theme_styles() . PUM_AssetCache::generate_popup_styles();

		ob_start();

		?>
		<button type="button" id="show_pum_styles" onclick="jQuery('#pum_style_output').slideDown();jQuery(this).hide();"><?php _e( 'Show Popup Maker CSS', 'popup-maker' ); ?></button>
		<p class="pum-desc desc"><?php __( "Use this to quickly copy Popup Maker's CSS to your own stylesheet.", 'popup-maker' ); ?></p>

		<div id="pum_style_output" style="display:none;">
			<label for="pum_core_styles"><?php _e( 'Core Styles', 'popup-maker' ); ?></label> <br />

			<textarea id="pum_core_styles" wrap="off" style="white-space: pre; width: 100%;" readonly="readonly"><?php echo $core_styles; ?></textarea>

			<br /> <br />

			<label for="pum_generated_styles"><?php _e( 'Generated Popup & Popup Theme Styles', 'popup-maker' ); ?></label> <br />

			<textarea id="pum_generated_styles" wrap="off" style="white-space: pre; width: 100%; min-height: 200px;" readonly="readonly"><?php echo $user_styles; ?></textarea>
		</div>

		<?php

		return ob_get_clean();
	}