In the screenshot above the input width exceeds the column width. How to make it fit perfectly inside a column?
Add this to your CSS file:
td input[type="text"], td select { -moz-box-sizing: border-box; box-sizing: border-box; width: 100%; }
You need to give your other columns a high width value such as 45% on the other two colums. The remaining column will then be 10% (max) but will alway fit the data within it.
Add this to your CSS file: