\begin
Discover why 18 million people worldwide trust Overleaf with their work.
\documentclass[10pt, titlepage, oneside, a4paper]{article}
%\usepackage[swedish]{babel}
\usepackage[T1]{fontenc}
\usepackage[titletoc]{appendix}
\usepackage[utf8]{inputenc}
\usepackage{amssymb, graphicx, fancyhdr}
\usepackage{amsmath}
\usepackage{amsthm,algorithm,algorithmic,yhmath,enumitem,lscape}
\usepackage{float}
\usepackage{hyperref, url}
\addtolength{\textheight}{20mm}
\addtolength{\voffset}{-5mm}
\renewcommand{\sectionmark}[1]{\markleft{#1}}
\def\inst{Instutition}
\def\typeofdoc{Project}
\def\course{coursename}
\def\pretitle{Pretitle}
\def\title{Title}
\def\name{Name}
\def\username{username}
\def\email{\musername{}@cs.umu.se}
\def\path{path}
\def\graders{Graders}
\def\mfullpath{\raisebox{1pt}{$\scriptstyle \sim$}\musername/\path}
\def\nfullpath{\raisebox{1pt}{$\scriptstyle \sim$}\nusername/\path}
\newcommand{\R}{\mathbb{R}}
\newcommand{\N}{\mathbb{N}}
\newcommand{\Rn}{\mathbb{R}^n}
\newcommand{\Rnn}{\mathbb{R}^{n \times n}}
\newcommand{\bes}{\begin{equation*}}
\newcommand{\ees}{\end{equation*}}
\newcommand{\be}{\begin{equation}}
\newcommand{\ee}{\end{equation}}
\newcommand{\bms}{\begin{multline*}}
\newcommand{\emults}{\end{multline*}}
\newcommand{\bbm}{\begin{bmatrix}}
\newcommand{\ebm}{\end{bmatrix}}
\newcommand{\eps}{\epsilon}
\newcommand{\fl}{\text{fl}}
\newcommand{\Lp}{{L^p}}
\newcommand{\Ker}{\text{Ker}\,}
\newcommand{\loc}{{\text{loc}}}
\newcommand{\ccinf}{C_c^\infty}
\newcommand{\supp}{\text{supp}}
\newcommand{\dist}{\text{dist}}
\begin{document}
\begin{titlepage}
\thispagestyle{empty}
\begin{large}
\begin{tabular}{@{}p{\textwidth}@{}}
\textbf{UMEÅ UNIVERSITET \hfill \today} \\
\textbf{Department of \inst} \\
\textbf{\typeofdoc} \\
\end{tabular}
\end{large}
\vspace{25mm}
\begin{center}
\LARGE{\pretitle} \\
\huge{\textbf{\course}}\\
\vspace{10mm}
\LARGE{\title} \\
\vspace{15mm}
\LARGE{version 1.0} \\
\vspace{10mm}
\begin{large}
\begin{tabular}{ll}
\textbf{Name} & \name \\
\textbf{Username} & \username \\
\textbf{Sourcecode} & \path
\end{tabular}
\end{large}
\vfill
\vfill
\large{\textbf{Graders}}\\
\mbox{\large{\graders}}
\end{center}
\end{titlepage}
% fixar sidfot
\lfoot{\footnotesize{\name, \username}}
\rfoot{\footnotesize{\today}}
\lhead{\sc\footnotesize\title}
\rhead{\nouppercase{\sc\footnotesize\leftmark}}
\pagestyle{fancy}
\renewcommand{\headrulewidth}{0.2pt}
\renewcommand{\footrulewidth}{0.2pt}
% skapar innehållsförteckning.
% Tänk på att köra latex 2ggr för att uppdatera allt
\pagenumbering{roman}
\tableofcontents
% och lägger in en sidbrytning
\newpage
\pagenumbering{arabic}
% i Sverige har vi normalt inget indrag vid nytt stycke
\setlength{\parindent}{0pt}
% men däremot lite mellanrum
\setlength{\parskip}{10pt}
\section{First section}
\subsection{First subsection}
\end{document}