\documentclass{article}
\usepackage[utf8]{inputenc}
\usepackage[margin=0.8in]{geometry}
\usepackage{geometry}
\geometry{
  a4paper,
  total={210mm,297mm},
  left=10mm,
  right=10mm,
  top=10mm,
  bottom=20mm,
}
\usepackage{parskip}
%%\raggedbottom

\newenvironment{absolutelynopagebreak}
{\par\nobreak\vfil\penalty0\vfilneg
\vtop\bgroup}
{\par\xdef\tpd{\the\prevdepth}\egroup
\prevdepth=\tpd}

\usepackage{courier}

%%\renewcommand*\ttdefault{lcmtt}
%%\renewcommand*\familydefault{\ttdefault} %% Only if the base font of the document is to be typewriter style
%%\usepackage[T1]{fontenc}

%%\renewcommand*\ttdefault{txtt}
%%\renewcommand*\familydefault{\ttdefault} %% Only if the base font of the document is to be typewriter style
%%\usepackage[T1]{fontenc}


%%\usepackage[scaled]{beramono}
%%\renewcommand*\familydefault{\ttdefault} %% Only if the base font of the document is to be typewriter style
%%\usepackage[T1]{fontenc}

\usepackage{multicol}
\usepackage{etex}
\title{Dodatky k aaee a kytarohrani}
\author{Karel Tuček}
\date{\today}
\begin{document}
\maketitle
\tableofcontents
\include{content}
\end{document}
