\NeedsTeXFormat{LaTeX2e} \ProvidesClass{dmart}[2022/01/25 Article derived class by Daniel Mowitz] \LoadClass[a4paper]{article} \RequirePackage{dmowitz} \RequirePackage{stmaryrd} \RequirePackage{siunitx} \RequirePackage{lmodern} \RequirePackage{amsfonts} \RequirePackage{amsmath} \RequirePackage{bbold} \RequirePackage{dsfont} \RequirePackage{graphicx} \RequirePackage{amssymb} \RequirePackage{halloweenmath} \RequirePackage{physics} \RequirePackage[german]{babel} \RequirePackage{tikz} \RequirePackage{listings} \RequirePackage{xcolor} \RequirePackage{fancyhdr} \pagestyle{fancy} \RequirePackage{hyperref} \fancyhead[L]{Daniel Mowitz} \newenvironment{body}[2]{\fancyhead[C]{\Large{\textbf{#1}}} \fancyhead[R]{#2} \begin{document}} {\end{document}}