Adjusted chapter spacing & added rules below

lbol.tex

@@ -127,6 +127,12 @@
 % Use chapter names in references
 \usepackage{nameref}
 
+% Change distance above chapter titles
+\usepackage{titlesec}
+\titleformat{\chapter}[display]
+{\normalfont\LARGE\bfseries}{\chaptertitlename\ \thechapter}{10pt}{\Huge}[{\vspace{2mm}\titlerule[0.8pt]\vspace{0.5mm}\titlerule[0.3pt]}]
+\titlespacing*{\chapter}{0pt}{0pt}{30pt}
+
 % Include URLs, but hide the big red box it puts around them in the pdf.
 \usepackage[hidelinks]{hyperref}