Cool. You should consider using input type="tel" for capturing phone numbers - https://developer.mozilla.org/en-US/docs/Web/HTML/Element/in...

On a mobile device, it will automatically pop up the number-pad. Makes life a little easier for people filling in the form.

Similarly, input type="email" will pop up a keyboard with an @ symbol. https://developer.mozilla.org/en-US/docs/Web/HTML/Element/in...