function enqueue_google_fonts() {
wp_enqueue_style( 'google-font-oswald', 'https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;700&display=swap', false );
}
add_action( 'wp_enqueue_scripts', 'enqueue_google_fonts' );
.oswald-text {
font-family: 'Oswald', sans-serif;
}