zapf.cls

\NeedsTeXFormat{LaTeX2e}
\ProvidesClass{zapf}[2020/07/28]
\LoadClass{scrreprt}
\RequirePackage[scaled=0.88]{beraserif}
\RequirePackage[scaled=0.85]{berasans}
\RequirePackage[scaled=0.84]{beramono}
\RequirePackage{classicthesis}
\RequirePackage[T1]{fontenc}
\RequirePackage{mathpazo}

\linespread{1.05}
\RequirePackage[T1,small,euler-digits]{eulervm}

\newenvironment{note}[1][Note:]{%
  \par\vspace{0.5\baselineskip}%
  \sffamily\small\linespread{1.05}\selectfont
  \noindent\ignorespaces%
  #1
}{%
  \vspace{0.5\baselineskip}%
  \par\noindent\ignorespacesafterend%
}
\RequirePackage{listings}
\lstset{basicstyle=\ttfamily,breaklines=true}

\setkomafont{disposition}{}
\setkomafont{section}{}
\titleformat{\section}
            {\usekomafont{disposition}\usekomafont{section}}
            {\llap{\textsc{\MakeTextLowercase{\thesection}}\hspace{0.7em}}}
            {0pt}
            {\usekomafont{disposition}\usekomafont{section}\spacedlowsmallcaps}

\newcommand{\I}{\mathrm{i}}