Made shadows togglable with default set to false. (#786)

src/scss/style/bar/bar.scss

@@ -16,8 +16,8 @@
         background: if($bar-transparent, transparent, transparentize($bar-background, $transparency-value));
         border-radius: if($bar-floating, $bar-border_radius, 0em);
 
-        margin: $bar-shadowMargins;
-        box-shadow: $bar-shadow;
+        margin: if($bar-enableShadow, $bar-shadowMargins, 0px);
+        box-shadow: if($bar-enableShadow, $bar-shadow, 0 0 0 0);
 
         &.withBorder {
             border-top: if(

src/scss/style/menus/menu.scss

@@ -228,8 +228,8 @@
 
 .dropdown-content {
     border-radius: $bar-menus-border-radius;
-    margin: $bar-menus-shadowMargins;
-    box-shadow: $bar-menus-shadow;
+    margin: if($bar-menus-enableShadow, $bar-menus-shadowMargins, 0px);
+    box-shadow: if($bar-menus-enableShadow, $bar-menus-shadow, 0 0 0 0);
 }
 
 .menu-label {

src/scss/style/notifications/popups.scss

@@ -7,8 +7,8 @@
     min-height: 4em;
     border-radius: $notification-border_radius;
     opacity: $notification-opacity * 0.01;
-    margin: $notification-shadowMargins;
-    box-shadow: $notification-shadow;
+    margin: if($notification-enableShadow, $notification-shadowMargins, 0px);
+    box-shadow: if($notification-enableShadow, $notification-shadow, 0 0 0 0);
 }
 
 .notification-card-container {

src/scss/style/osd/index.scss

@@ -6,7 +6,7 @@
     .osd-container {
         margin: $osd-margins;
         opacity: $osd-opacity * 0.01;
-        box-shadow: $osd-shadow;
+        box-shadow: if($osd-enableShadow, $osd-shadow, 0 0 0 0);
         border-radius: $osd-radius;
     }