\documentclass[a4paper,12pt]{article}
\usepackage{czech}
\usepackage{latexsym}
\frenchspacing
\csprimeson
\pagestyle{empty}
\textwidth 16.5 cm
\oddsidemargin 0 cm
\topmargin -1.5 cm
\textheight 25 cm
\parskip 8pt
\parindent 0pt
\overfullrule = 5pt
\emergencystretch = 2pt


\begin{document}

\textsc{Test test test}

\end{document}