v1.0.1:
  Added capability to have options.
  Made spacer feature a separate DIV instead of a CSS enhancement of the BODY (to preserve CSS and ensure proper alignment), along with an option pertaining to whether this is enabled.
  Changed HTML element class modification to raw JavaScript.
  Added main execution area to go along with new functionality.
  A few other changes here and there (condensed code).
Minified v1.0.1.
Changed "shows" to "appears" to better clarify the situation.