Type the data in the table.
The table will try to keep the padding (white space) equal between the cells. When you type, you will notice the table cells accordingly. This is normal behavior.
Table CSS Classes
Here are some available CSS classes for tables:
Theme 1 - (older theme with smaller fonts and a tabbed menu)
border zebra - puts a border and zebra striping
Epsilon - (latest theme with larger fonts and a dark green header)