Fix toolbar weird line

usr/share/themes/Lubuntu-default/gtk-3.0/gtk-lubuntu.css

@@ -1,5 +1,4 @@
 
-
 /**********
  * states *
  **********/

usr/share/themes/Lubuntu-default/gtk-3.0/gtk-main.css

@@ -17,7 +17,7 @@
 @define-color question_bg_color rgb (138, 173, 212);
 @define-color error_fg_color rgb (166, 38, 38);
 @define-color error_bg_color rgb (237, 54, 54);
-@define-color link_color @selected_bg_color;
+@define-color link_color #148add;
 @define-color error_color #cc0000;
 @define-color combobox_color #888888;
 @define-color progress_color #5591c3;

usr/share/themes/Lubuntu-default/gtk-3.0/gtk-widgets.css

@@ -1978,7 +1978,7 @@ GtkTextView {
     color: @dark_fg_color;
     text-shadow: 0 -1px shade (@dark_bg_color, 0.7);
 
-    box-shadow: inset 0 1px shade (@dark_bg_color, 0.94);
+    box-shadow: inset 0 0px shade (@dark_bg_color, 0.94);
 }
 
 .primary-toolbar .toolbar:backdrop,