% Headings and headers.
\RequirePackage{fancyhdr}
\RequirePackage[tiny, md, sc]{titlesec}
\setlength{\headheight}{15pt}
\pagestyle{fancy}
\fancyhead[LE,RO]{\nouppercase{\rightmark}}
\fancyhead[LO,RE]{\nouppercase{\leftmark}}
\fancyfoot[C]{\thepage}
\RequirePackage{titling}