Highlight coded text

Highlight coded text (if possible) will be good feature, or if it not so easy to be added, maybe return to the old style, where the number of lines was limited, because now if the code snippets is too large then the horizontal scroll bar goes out of the page height and need to scroll the html page down, move the the horizontal scroll bar and back scroll the page to the top and search the line what you readed... Briefly, there is an example large snippet just to illustrate the browsing and reading complication:

Many thanks,