deprecate <acronym/>
Don't decorate <a> in Table of Tables
optimize styles (web storm recommended)
Switch <ins> color
More <ins> changes (missed in earlier commit)
/*noimspection CssInvalidAtRule */ for @bottom
permalinks updates
jshint cleanup
make sotd work (status of this document section)
make RFC 2119 text a bit bigger
Major refactoring and eliminating of duplicate rules.