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+\documentclass[12pt,catalan]{notes}
+
+\usepackage{apuntsgenerics}
+
+\setlength{\parskip}{1em}
+
+% Tensor commands:
+\newcommand*{\TT}[1]{\bar{\bar{#1}}}
+
+\title{\vspace{-.5em}Resum electromagnetisme}
+\author{Adrià Vilanova Martínez\vspace{-2em}}
+
+\titlemonth{Semestre primavera curs 2020-21}
+
+\newcommand{\ex}{\text{Ex}}
+
+\newcommand*\lapl{\Delta}
+
+\begin{document}
+
+\makecover
+
+\input{tema1.tex}
+\input{tema2.tex}
+\input{tema3.tex}
+\input{tema4.tex}
+
+%\printindex
+
+\end{document}