Dawn theme - Adjust height of the custom text field on product page

Store Design
,
1

I would like to adjust the height of the custom text field so that it is exactly as high as a line. I have added the custom text field with the following code under “buy-buttons.liquid”:

www.taskslider.de

PW: nonsense

2

Hello there,

Remove maxlength=“10”

Add this one code.
3

@ZestardTech However, a maximum of 10 entries should be possible.