\begin{InfoBox}
    \textbf{Hinweis:} \lipsum[75]
    \begin{multicols}{2}
        \begin{CustomBox}{\faIcon{user-graduate}}{britishracinggreen}
            \textbf{Hinweis:} \lipsum[66]
        \end{CustomBox}
        \begin{CustomBox}{\faIcon{chart-pie}}{britishracinggreen}
            \begin{tikzpicture}[scale=0.6]
                \pie [cloud, explode=0.1, text=legend, style=very thin] { 
                    10/A, 
                    20/B, 
                    30/C, 
                    40/D
                }
            \end{tikzpicture}
            \lipsum[66]
        \end{CustomBox}
        \columnbreak
        \begin{InfoBox}
            \textbf{Hinweis:} \lipsum[75]

            % Nested UserBox
            \begin{CustomBox}{\faIcon{user}}{blue}
                \textbf{Info:} \lipsum[66]
            \end{CustomBox}
        \end{InfoBox}
    \end{multicols}
\end{InfoBox}

\begin{WarningBox}
    \textbf{Warnung:} \lipsum[1]
\end{WarningBox}

\begin{SuccessBox}
    \textbf{Erfolg:} \lipsum[1]
\end{SuccessBox}

\begin{ImportantBox}
    \textbf{Wichtig:} \lipsum[1]
\end{ImportantBox}

\begin{CustomBox}{\faIcon{user}}{blue}
    \textbf{Info:} \lipsum[1]
\end{CustomBox}