User:Gennaro Prota/C++ base box

A first cut at a C++ template box from which the existing ones can be easily derived. If used directly allows customization, through the following parameters, all optional:

border_color

main_background_color

programming_language

symbol_background_color

skill_level [0|1|2|3|4|N] (don't know, beginning, intermediate, advanced, expert, fluent)