Bug with border

HTML-CSS
#1

I’m building the Google Form clone and I found a bug when I just some CSS. I’ve attach the picture here.

bugging
bugging1005×682 15.2 KB

Can you guys help me with this issue?

Source code here : https://codepen.io/beerbluedevils/pen/QWEQoNe

#2

I don’t know the cause but, the lines are removed when I removed the border style for #email and #fname

1 Like
#3

I did some edit and it looks better now. Thank you.

#4