\documentclass{article}
\usepackage{array}
\usepackage[table]{xcolor}
\usepackage{color}
\usepackage{enumerate}
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\begin{document}
Dokument zawiera / stosuje techniki:
\begin{itemize}
\item Sformatowana tabelka (emblemat WP)
\item Kolorystyka
\end{itemize}
\begin{center}
\begin{tabular}{ ||m{3.5cm}|m{3.5cm}| }
\hline
&\cellcolor[HTML]{FFFFFF}\\ [2cm]
\hline
\cellcolor[HTML]{FFFFFF}&\\ [2cm]
\hline
\end{tabular}
\end{center}
\end{document}
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