test.tex

\documentclass{article}
\usepackage[latin]{babel}

\usepackage{mwe}

\usepackage{awesomebox}
% This repository also provides the `awesomebox-compat` package to help
% you use it with old LaTeX distribution, like the Overleaf system.
% This package only works with XeLaTeX or LuaTeX!
%\usepackage{awesomebox-compat}

%% Comment the following to test without geometry package
\usepackage[xetex,vmargin=2cm,hmargin=3cm,includeheadfoot,nomarginpar]{geometry}

\usepackage{multicol}

% Allow footnotes to escape awesomebox
\usepackage{footnote}
\makesavenoteenv{tabular}

\begin{document}

\section{Automatic width detection in list}

\lipsum[1][1-3]
\notebox{\lipsum[1][4-6]}
\lipsum[1][7-9]

\begin{itemize}
\item \lipsum[2][1-3]
\item \lipsum[2][4-5]\notebox{\lipsum[2][6-7]}
\item \lipsum[2][8-9]
\end{itemize}

\lipsum[3][1-3]
\notebox{\lipsum[3][4-6]}
\lipsum[3][7-9]

\section{What about footnotes?}

\begin{noteblock}
I can't get a \verb|\footnote|!\footnote{Can I?}
\end{noteblock}

\section{With custom width declared mid document}

\setlength{\aweboxcontentwidth}{0.45\linewidth}

\lipsum[4][1-3]
\notebox{\lipsum[4][4-6]}
\lipsum[4][7-9]

\section{After restoration}

\setlength{\aweboxcontentwidth}{0.88\linewidth}

\lipsum[5][1-3]
\notebox{\lipsum[5][4-6]}
\lipsum[5][7-9]

\section{Minipage examples}

\fbox{
  \begin{minipage}{0.4\linewidth}
    \lipsum[1][1]
    \notebox{\lipsum[1][3]}
  \end{minipage}}

\begin{figure}[h!]
  \centering
  \fbox{
    \begin{minipage}{0.4\linewidth}
      \lipsum[1][1-3]
      \notebox{\lipsum[1][4-6]}
    \end{minipage}}
  \caption{Minipage example in a figure}
  \label{fig:minipageex}
\end{figure}

\clearpage

\begin{multicols}{2}
  \section{Multiple column example}
  \lipsum[1]

  \notebox{\lipsum[2][1-3]}

  \lipsum[3-7]
\end{multicols}

\end{document}