\documentclass[a4paper,11pt,oneside]{article}
\usepackage{geometry}
\geometry{a4paper,scale=0.9}
\usepackage[default]{sourcesanspro} % https://fonts.adobe.com/fonts/source-sans#fonts-section

%% Color
% cyan, magenta, darkgray, lightgray, brown, orange, lime, purple, teal, violet and pink
\usepackage{color}
\usepackage{xcolor}
\usepackage{colortbl}
\usepackage[backend=biber,
	sorting=ydnt,
	style=apa,
	apamaxprtauth=20,
	refsection=subsection,
]{biblatex}
% When using the hyperref package, it is preferable to load it after biblatex.
\usepackage{hyperref} % When using the `hyperref` package, it is preferable to load it after `biblatex`.
\hypersetup{
    colorlinks=true,
    linkcolor=teal,
    filecolor=cyan,
    urlcolor=blue,
    citecolor=green,
    pdfborder={0 0 0}}
\pdfstringdefDisableCommands{\let\fullcite\@firstofone}
% add backlinks to footnote references. https://tex.stackexchange.com/questions/302266/make-footnote-clickable-both-ways
\usepackage{footnotebackref}
\setlength{\emergencystretch}{3em} % prevent overfull lines
\providecommand{\tightlist}{ %
    \setlength{\itemsep}{0pt}\setlength{\parskip}{0pt}}
% \setcounter{secnumdepth}{-\maxdimen} % remove section numbering

\title{Title}
\author{Author}
\begin{document}

\end{document}
