Restructuring HTML a little for consistency
Updating notes for current HTML structure
Adding missing semicolon
Specify sprite directory on command line
Inserting another element inside div.uniformjs

This makes it easier to style and write simpler CSS, especially in the
case of unhandled inputs
Changes to allow for specifying the sprite directory
Finally got the CSS to build a reasonable looking file
Mostly updating HTML snippet structure
Adding newlines to match whitespace conventions