LaTeX Forum

\documentclass[halfparskip,a4paper]{scrartcl}

\setlength{\parindent}{0pt}

\begin{document}

\framebox[\textwidth]{\centering
	Answer the questions in the spaces provided on the question sheets.}
%So sollte es aussehen, aber der Text ist mehrzeilig:

\framebox{\parbox{\textwidth}{\centering
	Answer the questions in the spaces provided on the question sheets. If you run out of room for an answer, continue on the back of the page.
}}
%So ist es nicht schön ...

\vspace{6pt}

\makebox[\textwidth]{Name and section:\enspace\hrulefill}

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\end{document}

\documentclass[parskip=half]{scrartcl}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}

\usepackage{mdframed}
\newmdenv{mdfbox}

\usepackage{microtype}
\usepackage{lipsum}

\begin{document}
  \begin{mdfbox}
    \centering
    Answer the questions in the spaces provided on the question sheets.
  \end{mdfbox}

  \begin{mdfbox}
    \centering
    Answer the questions in the spaces provided on the question sheets. If you run out of room for an answer, continue on the back of the page.
  \end{mdfbox}

  \bigskip
  \makebox[\textwidth]{Name and section:\enspace\hrulefill}

  \lipsum[1]
\end{document}