Hello,

You can use this function

public function get_icons_font_css() {
		$output = '';
		$url    = woodmart_remove_https( WOODMART_THEME_DIR );

		$font_display = woodmart_get_opt( 'icons_font_display' );

		if ( ! woodmart_get_opt( 'disable_font_awesome_theme_css' ) ) {
			$prefix = '';
			if ( woodmart_get_opt( 'light_font_awesome_version' ) ) {
				$prefix = '-light';
			}

			// FontAwesome
			$output .= '@font-face {
				font-family: "FontAwesome";
				src: url("' . $url . '/fonts/fontawesome-webfont' . $prefix . '.eot?v=4.7.0");
				src: url("' . $url . '/fonts/fontawesome-webfont' . $prefix . '.eot?#iefix&v=4.7.0") format("embedded-opentype"),
				url("' . $url . '/fonts/fontawesome-webfont' . $prefix . '.woff2?v=4.7.0") format("woff2"),
				url("' . $url . '/fonts/fontawesome-webfont' . $prefix . '.woff?v=4.7.0") format("woff"),
				url("' . $url . '/fonts/fontawesome-webfont' . $prefix . '.ttf?v=4.7.0") format("truetype"),
				url("' . $url . '/fonts/fontawesome-webfont' . $prefix . '.svg?v=4.7.0#fontawesomeregular") format("svg");
				font-weight: normal;
				font-style: normal;';

			if ( 'disable' !== $font_display ) {
				$output .= 'font-display:' . $font_display . ';';
			}

			$output .= '}';
		}

		return $output;
	}

Kind Regards
XTemos Studio