Update countdown.php

Formatted to match public Countdown signs, changed to 'printf' function for better control of layout within the line.
Update countdown.php

Needed to use <pre>...</pre> tags around the whole thing, as browsers render multiple spaces as a single space.  <pre> includes monospaced font, so no longer is Tahoma.
Update countdown.php

Tweak
Merge pull request #3 from woodscooter/patch-2

Patch 2