Here is the first line.

Now is the time for all good Web programmers to learn to use style sheets.
[margin = 15px, padding = 15px]

Now is the time for all good Web programmers to learn to use style sheets.
[margin = 5px, padding = 25px]

Now is the time for all good Web programmers to learn to use style sheets.
[margin = 25px, padding = 5px]

Now is the time for all good Web programmers to learn to use style sheets.
[margin = 25px, no padding, no border]

Now is the time for all good Web programmers to learn to use style sheets.
[padding = 25px, no margin, no border]

Here is the last line.