Text input with 100% width inside a td expands/continues outside the td

Question

Here is the live demo

I\'m trying to put a padded text input inside a td, and I want it to occupy 100% of the width, but it goes outside of the td. I don\'t underst

Answer 1

I have found

works funny, try

it seems to work wonders Though to be truthful was using size= a number as opposed to width=100% for some unknown reason the text was outside the table!