fix the last commit

common/gtk-3.0/3.20/gtk-dark.css

@@ -3211,6 +3211,10 @@ popover.background label.nautilus-canvas-item.separator, headerbar .nautilus-can
 .nemo-window .primary-toolbar widget.raised.linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover {
   box-shadow: inset 1px 0 rgba(21, 23, 28, 0.37); }
 
+.caja-side-pane .frame,
+.caja-notebook .frame {
+  border-width: 1px 0; }
+
 .open-document-selector-treeview.view, iconview.open-document-selector-treeview {
   padding: 3px 6px 3px 6px;
   border-color: #404552; }

common/gtk-3.0/3.20/gtk-darker.css

@@ -3209,6 +3209,10 @@ popover.background label.nautilus-canvas-item.separator, headerbar .nautilus-can
 .nemo-window .primary-toolbar widget.raised.linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover {
   box-shadow: inset 1px 0 rgba(21, 23, 28, 0.37); }
 
+.caja-side-pane .frame,
+.caja-notebook .frame {
+  border-width: 1px 0; }
+
 .open-document-selector-treeview.view, iconview.open-document-selector-treeview {
   padding: 3px 6px 3px 6px;
   border-color: #ffffff; }

common/gtk-3.0/3.20/gtk-solid-dark.css

@@ -3211,6 +3211,10 @@ popover.background label.nautilus-canvas-item.separator, headerbar .nautilus-can
 .nemo-window .primary-toolbar widget.raised.linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover {
   box-shadow: inset 1px 0 rgba(21, 23, 28, 0.4); }
 
+.caja-side-pane .frame,
+.caja-notebook .frame {
+  border-width: 1px 0; }
+
 .open-document-selector-treeview.view, iconview.open-document-selector-treeview {
   padding: 3px 6px 3px 6px;
   border-color: #404552; }

common/gtk-3.0/3.20/gtk-solid-darker.css

@@ -3209,6 +3209,10 @@ popover.background label.nautilus-canvas-item.separator, headerbar .nautilus-can
 .nemo-window .primary-toolbar widget.raised.linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover {
   box-shadow: inset 1px 0 rgba(21, 23, 28, 0.4); }
 
+.caja-side-pane .frame,
+.caja-notebook .frame {
+  border-width: 1px 0; }
+
 .open-document-selector-treeview.view, iconview.open-document-selector-treeview {
   padding: 3px 6px 3px 6px;
   border-color: #ffffff; }

common/gtk-3.0/3.20/gtk-solid.css

@@ -3213,6 +3213,10 @@ popover.background label.nautilus-canvas-item.separator, headerbar .nautilus-can
 .nemo-window .primary-toolbar widget.raised.linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover {
   box-shadow: inset 1px 0 rgba(82, 93, 118, 0.1); }
 
+.caja-side-pane .frame,
+.caja-notebook .frame {
+  border-width: 1px 0; }
+
 .open-document-selector-treeview.view, iconview.open-document-selector-treeview {
   padding: 3px 6px 3px 6px;
   border-color: #ffffff; }

common/gtk-3.0/3.20/gtk.css

@@ -3213,6 +3213,10 @@ popover.background label.nautilus-canvas-item.separator, headerbar .nautilus-can
 .nemo-window .primary-toolbar widget.raised.linked:not(.vertical):not(.path-bar) > button:hover:not(:checked):not(:active):not(:only-child):last-child:hover {
   box-shadow: inset 1px 0 rgba(82, 93, 118, 0.1); }
 
+.caja-side-pane .frame,
+.caja-notebook .frame {
+  border-width: 1px 0; }
+
 .open-document-selector-treeview.view, iconview.open-document-selector-treeview {
   padding: 3px 6px 3px 6px;
   border-color: #ffffff; }

common/gtk-3.0/3.20/sass/_applications.scss

@@ -151,8 +151,8 @@ $disk_space_free: darken($bg_color, 3%);
 //
 .caja-desktop { @extend .nautilus-desktop.nautilus-canvas-item; }
 
-.caja-side-pane scrolledwindow.frame,
+.caja-side-pane .frame,
-.caja-notebook scrolledwindow.frame { border-width: 1px 0; }
+.caja-notebook .frame { border-width: 1px 0; }
 
 //
 // Gedit