\documentclass[a4wide]{book}

\usepackage{labs}
\usepackage{listings}
\usepackage{verbatim}
\usepackage{moreverb}

% Custom bootlin commands

\title{\labbooktitle \\ \vspace{1cm} Practical Labs}
\trainingurl{\labbookurl}

\begin{document}
\maketitle

\makeabout

