centre subsubsection

layout.sty

@@ -579,7 +579,7 @@ interior code={ \path[tcb fill interior] ([xshift=-2mm]interior.west)
 {\needspace{10em}\scshape\center\Large}{\thesubsection}{1em}{}[\textcolor{\pageSideColor}{\titlerule}\vspace{1ex}\setcounter{list}{0}]
 
 \titleformat{\subsubsection}[wrap]
-{\needspace{8em}\filright\scshape\large}
+{\needspace{4em}\filcenter\scshape\large}
 {}{.5em}{}
 
 \titlespacing{\subsubsection}