% XeLaTeX

\documentclass{article}
\usepackage[paperwidth=90mm,paperheight=53.5mm,nohead,nofoot,margin=3mm]{geometry}
\usepackage{graphicx}
\usepackage{xcolor}

\setlength{\parindent}{0pt}
\pagestyle{empty}
\usepackage{fontspec}
\setmainfont{Haettenschweiler}
\newfontfamily{\stampfont}{Top Secret}

%\definecolor{esecolor}{rgb}{0.34, 0.23, 0.46}
\definecolor{logocolor}{rgb}{0.796, 0.376, 0.251}
\definecolor{stampcolor}{rgb}{0.34, 0.34, 0.34}

\raggedright

%\usepackage{background}
\usepackage{color}
%\definecolor{esegreen}{rgb}{0.45, 0.71, 0.34} % 114, 182, 87
%\backgroundsetup{scale=5,angle=0,opacity=1,contents={%
%	\begin{tikzpicture}[remember picture,overlay]%
%		\path [left color = esegreen, right color = white] (-1,-1) rectangle (1,1);%
%	\end{tikzpicture}%
%	}%
%}

\newcommand{\karte}[3]{%
    \begin{minipage}[b]{.18\textwidth}
        \includegraphics[width=1.45cm]{karlchen_thick}%
    \end{minipage}
    \begin{minipage}[b]{.42\textwidth}
        \fontsize{49}{0}\selectfont
        \color{logocolor}{ESE}
        \fontsize{36.5}{0}\selectfont
        \color{logocolor}{2018}
    \end{minipage}
    %\hspace{-1cm}
    \begin{minipage}[b][5em][t]{.3\textwidth}
		\rotatebox{10}{%
			\stampfont%
			\fontsize{25}{0}\selectfont%
			\color{stampcolor}{#3}%
		}%
    \end{minipage}
	\vfill%
	\raggedleft%
	{\fontsize{64}{0}\selectfont #1\par}%
	{\fontsize{25}{0}\selectfont #2\par}%
	\raggedright%
	\clearpage%
}

\begin{document}
\karte{Kevin}{Schmid}{}
\karte{Julius}{Felchow}{}

\end{document}