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% Datei: Spickzettel.tex
%
% Beschreibung: Einigen Studierenden ist die Beschreibung des gewünschten Forma-
% tes der Spickzettel zu abstrakt. Sie könnten von einem Beispiel profitieren.
% Hier ist es ...
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\documentclass[a4paper,10pt]{article}

\usepackage{tikz}
\usepackage[a4paper,left=0cm,top=0cm,right=0cm,bottom=0cm]{geometry}

\newcommand{\Seitenmarkierung}{%
	\begin{tikz}[remember picture,overlay]%
		\node (headerBG) at (current page.north)%
			[%
				anchor=north,
				% Grö0e:
				minimum width=\paperwidth,
				minimum height=2.225cm,
				%
				% Aussehen:
				draw=gray!80!white,
				%
				%Text:
				label={%
					[anchor=south]%
					below:%
					{%
						\sffamily\textcolor{gray}{%
							Oberhalb dieser Linie nur \textbf{Nachname, Vorname} und \textbf{Matrikelnummer}%
						}%
					}%
				}%
			]%
			{} ;%
	\end{tikz}%
}

\begin{document}%
	\pagenumbering{gobble}
	\Seitenmarkierung
	\newpage
	\Seitenmarkierung
\end{document}