set section lines to standard colour

layout.sty

@@ -571,14 +571,14 @@ interior code={ \path[tcb fill interior] ([xshift=-2mm]interior.west)
 
 \titleformat{\section}%
   {\needspace{12em}%
-  \textcolor{\pageOppositeColor}{\titlerule}%
+  \textcolor{\pageSideColor}{\titlerule}%
   \center%
   \LARGE%
   \scshape}%
   {\Roman{section}}%
   {1pc}%
   {}%
-  [\textcolor{\pageOppositeColor}{\titlerule}]%
+  [\textcolor{\pageSideColor}{\titlerule}]%
 
 \renewcommand*{\thesection}{\arabic{section}}