\documentclass{article}
\usepackage{blindtext}
\usepackage[paperheight=111in,paperwidth=8.5in]{geometry}
\begin{document}
\blindtext[50]
\end{document}\documentclass[12pt,a4paper]{article}
\usepackage[english,russian]{babel}
\usepackage{fontspec}
\defaultfontfeatures{Ligatures={TeX},Renderer=Basic}
\setmainfont[Ligatures={TeX,Historic}]{Times New Roman}
\begin{document}
текст
\end{document}\usepackage{framed}
\usepackage{xcolor}
\colorlet{shadecolor}{gray!25}
\begin{shaded}
text
\end{shaded}<link href="css/bootstrap.min.css" rel="stylesheet">
<link href="css/custom.css" rel="stylesheet">