LIFTING STATE REACT

function ThemeSelect() {
  const [theme, setTheme] = React.useState("day");

  function handleChange(e) {
    setTheme(e.target.value);
  }

  return (
    <select onChange={handleChange} className={theme}>
      <option value="day">Day</option>
      <option value="night">Night</option>
    </select>
  );
}