button id="submit" type="submit">Submit</button>
    </form>

    <script>
      function validateForm() {
        // Get form input values
        var data = document.getElementById("data").value;
        var phone = document.getElementById("phone").value;
        var calendar = document.getElementById("calendar").value;
        var time = document.getElementById("time").value;
        var color = document.getElementById("color").value;
        var select = document.getElementById("select").value;
        