fix nemo notebook background

gtk-3.20/scss/apps/_nautilus.scss

@@ -37,6 +37,7 @@
         }
 
         notebook {
+            background-color: $base_color;
             border: none;
             frame { border: 0; }
         }

gtk-3.20/scss/apps/_nemo.scss

@@ -43,6 +43,11 @@
         }
     }
 
+    /* Ridiculously specific selector until Nemo is updated with new style classes */
+    grid > paned > box > paned > box > notebook {
+        background-color: $base_color;
+    }
+
     .nemo-window {
         toolbar {
             border-width: 0 0 1px;

gtk-3.20/scss/widgets/_notebook.scss

@@ -6,6 +6,7 @@
 ***********/
 
 @include exports("notebook") {
+
     notebook {
         > header {
             padding: 0;