Changing the capitalisation in WooCommerce forms (Peggi theme)

The display is set to all Caps within the form entry fields, but as a result, my customers type a random combo of upper/lower (e.g. JoHN smITh).

How can I either
a) stop showing all caps in the form
b) ensure they are saved in the DB in all Caps?

Have tried a few things but no luck so far.

Website is here:
Form in question:

Any help/guidance would be great. Thanks in advance

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