Why is my background grey?

I had written a curriculum vitae with LateX about 10 years ago and dug up the old template to update the document. I am typesetting on my mac now and the results look kinda out of whack.

The background is grey.

documentclass[a4paper,oneside]{scrartcl}
usepackage{geometry}
usepackage[T1]{fontenc}
usepackage{palatino}
usepackage{soul}
usepackage{tabularx}   
usepackage{graphicx}
usepackage{multirow}
usepackage{scrpage2}
usepackage{marvosym}
usepackage{xcolor}
usepackage[latin1]{inputenc}

pagestyle{empty}
pagestyle{scrheadings}
renewcommand{headfont}{normalfontrmfamilyscshape}

% define footer
cofoot{footnotesizesoaddr 
footnotesizeso{ {LargeLetter} NAME}   footnotesizeso{ {LargeTelefon}  PHONE}}

geometry{letterpaper,tmargin=1in,bmargin=1in,lmargin=1in,rmargin=1in,headheight=0in,headsep=0in,footskip=.3in}

setlength{headheight}{1.1baselineskip}
setlength{parindent}{0in}
setlength{parskip}{0in}
setlength{itemsep}{0in}
setlength{topsep}{0in}
setlength{tabcolsep}{0in}

% Name and contact information
newcommand{name}{NAME}
newcommand{addr}{ADDR}
newcommand{phone}{PHONE}
newcommand{email}{EMAIL}

newenvironment{cvsection}[1]{
    vspace{32pt}hspace{16 pt}textbf{normalsize{#1}}vspace{-11pt}
    
    textcolor{gray}{ruletextwidth{0.1pt}}vspace{16pt}
    
}


newenvironment{cvitem}[3]{

begin{tabularx}{textwidth}{p{0.3textwidth}p{0.67textwidth}p{0.03textwidth}}
hspace{32 pt}textsc{small#1} & small#2
begin{itemize} 
scriptsize#3
end{itemize} &
end{tabularx}
vspace{-6pt}

}

newcommand{cvsmallitem}[2]{

begin{tabularx}{textwidth}{p{0.3textwidth}p{0.67textwidth}p{0.03textwidth}}
hspace{32 pt}textsc{small#1} & small#2 &
end{tabularx}

}

%--------------------Beginn Document----------------------------
begin{document}

vspace{0pt}
textsc{begin{center}Hugesonameend{center}} 
textsc{begin{center}hugeso{Curriculum Vitae}end{center}} 
textsc{begin{center}largeso{FEbruary 2012}end{center}}

%--------------------Sections-----------------------------------
%Section: Personal Data
...

end{document}  

these are my initial setting and this is the first part of the output:

Additionally, special German characters are not being displayed correctly.