%% 
%%  Ein Beispiel der DANTE-Edition
%%  
%%  2. Auflage
%% 
%%  Beispiel 05-11-8 auf Seite 178.
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%%  Copyright (C) 2016 Herbert Voss
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 
%% 
%% ==== 
% Show page(s) 1,2
%% 
%% 
\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{352.81416pt}
\usepackage[ngerman]{babel}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[paperwidth=12cm,paperheight=7cm]{geometry}
\usepackage{blindtext}
\setlength{\parindent}{0em}
%StartShownPreambleCommands
\usepackage[style=1]{mdframed}
%StopShownPreambleCommands
\begin{document}
Text vor der Umgebung \texttt{mdframed}.
\begin{mdframed}[outerlinewidth=5pt, innerlinewidth=0pt, outerlinecolor=red,
                 roundcorner=5pt]
\blindtext
\end{mdframed}
\blindtext
\end{document}
