rr_tutorial/preamble_article.tex

\documentclass[11pt]{article}

% Color
\usepackage{xcolor}

\color{white}
\pagecolor{black}
\definecolor{rr-background}{HTML}{393939}

% set page
\usepackage[
    paperwidth = 17.5cm,
    paperheight = 150cm,
    top = 10pt,
    right = 0pt,
    bottom = 35pt,
    left = 0pt
]{geometry}

% Table of content
\usepackage[titles]{tocloft}
\renewcommand{\cfttoctitlefont}{\rmfamily\Large\MakeUppercase}

% Page numbering
\pagenumbering{gobble}

% TOC title
\usepackage{titletoc}
\titlecontents{section}
    [15pt]
    {\large\rmfamily}
    {\contentslabel{15pt}}
    {\hspace*{-9mm}}
    {\contentspage}[\medskip]

\titlecontents{subsection}
    [25pt]
    {\rmfamily}
    {\contentslabel{25pt}}
    {\hspace*{-12mm}}
    {\contentspage}

\titlecontents{subsubsection}
    [35pt]
    {\rmfamily}
    {\contentslabel{35pt}}
    {\hspace*{-12mm}}
    {\contentspage}