Astra_Minify::get_http2_dynamic_css()

		public static function get_http2_dynamic_css() {

			// Get the css key.
			$css_slug = self::_asset_slug();

			// No css data, recompile the css.
			if ( ! $css_data ) {
				self::render_http2_css();
				return self::get_http2_dynamic_css();
			}

			// Return the url.
			return $css_data;
		}