Example 1: latex code \ documentclass { article } \ usepackage [ utf8 ] { inputenc } \ usepackage { listings } \ usepackage { xcolor } \ definecolor { codegreen } { rgb } { 0,0 .6,0 } \ definecolor { codegray } { rgb } { 0.5 ,0.5,0.5 } \ definecolor { codepurple } { rgb } { 0.58 ,0,0.82 } \ definecolor { backcolour } { rgb } { 0.95 ,0.95,0.92 } \ lstdefinestyle { mystyle } { backgroundcolor = \ color { backcolour } , commentstyle = \ color { codegreen } , keywordstyle = \ color { magenta } , numberstyle = \ tiny \ color { codegray } , stringstyle = \ color { codepurple } , basicstyle = \ ttfamily \ footnotesize, breakatwhitespace = false, breaklines = true, captionpos = b, keepspaces = true, numbers = left, numbersep = 5pt, showspaces = false, showstringspaces = false, showtabs = false, ...