Fixes startpage css - fixes #8330

src/Mod/Start/StartPage/StartPage.css

@@ -4,9 +4,7 @@ body {
     font-family: FONTFAMILY;
     font-size: FONTSIZE;
 }
-body::-webkit-scrollbar {
-    display: OVERFLOW;
-}
+OVERFLOW
 a, a:link, a:visited {
     text-decoration: none;
     color: LINKCOLOR;

src/Mod/Start/StartPage/StartPage.py

@@ -563,7 +563,7 @@ def handle():
     BOXCOLOR  = gethexcolor(p.GetUnsigned("BoxColor",3722305023))
     TEXTCOLOR = gethexcolor(p.GetUnsigned("PageTextColor",255))
     BGTCOLOR = gethexcolor(p.GetUnsigned("BackgroundTextColor",4294703103))
-    OVERFLOW = "normal" if p.GetBool("ShowScrollBars",True) else "none"
+    OVERFLOW = "" if p.GetBool("ShowScrollBars",True) else "body::-webkit-scrollbar {display: none;}"
     SHADOW = "#888888"
     if QtGui.QColor(BASECOLOR).valueF() < 0.5: # dark page - we need to make darker shadows
         SHADOW = "#000000"