What are you using to do put the code snippets up? Some parts are greyed out but the most important points stand out Ive been looking for something like hightl

What are you using to do put the code snippets up? Some parts are greyed out but the most important points stand out Ive been looking for something like hightlightjs that does this, otherwise i intended forking my own version of it and using | | piping to highlight important snippets