\newenvironment{chapterabstract}{\begin{shaded}\begin{quotation}}{\end{quotation}\end{shaded}} %chktex 6
% Increase the depth for the table of contents
-\setcounter{secnumdepth}{3}
\renewcommand{\contentsname}{Table of Contents} % change the name of the TOC
\AtBeginDocument{\addtocontents{toc}{\protect\thispagestyle{empty}}} % to remove page numbering from the TOC