Removed a dash in the .css file. Aesthetic change.
Added spacing between the search sections for aesthetic reasons.
Changed some "id=..." values to "class=..." to allow hiding some headings.

* Changed the class names to proper variable names (no spaces,  no colons).
* Added sliding feature for smoother transitions.
Hovering now smoothly transitions the background color for headings.

Removed the need to have extra background files.