<form hx-post="/settings/edit" hx-target="#response">
    <div>
        <label for="theme">Farbschema</label>
        <select name="theme">
            <option value="light" <?= $_SESSION['user']->data['theme']=='light'?'selected':''; ?>>Hell</option>
            <option value="dark" <?= $_SESSION['user']->data['theme']=='dark'?'selected':''; ?>>Dunkel</option>
        </select>
    </div>

    <div id="response"></div>

    <button type="submit" name="submit" value="true" class="btn btn-primary">Speichern</button>
</form>