This package takes consecutive src blocks in org mode files and turn them into multi language code snippets in HTML.
For example:
#+begin_src go
//...
#+end_src
#+begin_src cpp
//...
#+end_src
will create a code snippets with horizontal tabs (go and cpp) and let you select the language you want to see the code in.
Do not rewrite your org files, simply customize JS/CSS
You can try it by yourself in the example directory.
cd example
emacs -Q main.org
Then, eval-buffer the init.el file, go back to main.org and C-C C-e h h.
In main.html, you should have something like:
