diff --git a/emacs/.emacs.d/site-lisp/oni-smt.el b/emacs/.emacs.d/site-lisp/oni-smt.el
index 48f15fb..13e4365 100644
--- a/emacs/.emacs.d/site-lisp/oni-smt.el
+++ b/emacs/.emacs.d/site-lisp/oni-smt.el
@@ -177,8 +177,40 @@
   '(:fill "#ccc" :font-family "Fantasque Sans" :filter nil
           :font-weight "bold" :font-style "italic"))
 
+(defun oni-smt-background (theme)
+  ""
+  (let ((stops '(("0%" "#484848" 0.3)
+                 ("25%" "#484848" 0.3)
+                 ("75%" "#484848" 0.3)
+                 ("100%" "#111111" 0.3))))
+    `((\defs
+       (linearGradient
+        :id "twisted" :x1 "0%" :y1 "0%" :x2 "100%" :y2 "25%"
+        (stop :offset ,(first (nth 1 stops)) :stop-color ,(second (nth 1 stops)) :stop-opacity ,(third (nth 1 stops)))
+        (stop :offset ,(first (nth 2 stops)) :stop-color ,(second (nth 2 stops)) :stop-opacity ,(third (nth 2 stops)))
+        (stop :offset ,(first (nth 3 stops)) :stop-color ,(second (nth 3 stops)) :stop-opacity ,(third (nth 3 stops)))
+        (stop :offset ,(first (nth 4 stops)) :stop-color ,(second (nth 4 stops)) :stop-opacity ,(third (nth 4 stops)))))
+      (rect :width "100%" :height "100%" :x 0 :y 0 :fill "url(#twisted)"))))
+
+(defun oni-smt-overlay (_)
+  ""
+  (let ((stops '(("0%" "#FFFFFF" 0.1)
+                 ("20%" "#111111" 0.0)
+                 ("90%" "#111111" 0.5)
+                 ("100%" "#111111" 0.8))))
+    `((\defs
+       (linearGradient
+        :id "over-gradient" :x1 "0%" :y1 "0%" :x2 "0%" :y2 "100%"
+        (stop :offset ,(first (nth 1 stops)) :stop-color ,(second (nth 1 stops)) :stop-opacity ,(third (nth 1 stops)))
+        (stop :offset ,(first (nth 2 stops)) :stop-color ,(second (nth 2 stops)) :stop-opacity ,(third (nth 2 stops)))
+        (stop :offset ,(first (nth 3 stops)) :stop-color ,(second (nth 3 stops)) :stop-opacity ,(third (nth 3 stops)))
+        (stop :offset ,(first (nth 4 stops)) :stop-color ,(second (nth 4 stops)) :stop-opacity ,(third (nth 4 stops)))))
+      (rect :width "100%" :height "100%" :x 0 :y 0 :fill "url(#over-gradient)"))))
+
 (smt/deftheme oni-smt
   :prototype 'black-crystal
+  :overlay 'oni-smt-overlay
+  :background 'oni-smt-background
   :local-widgets (list (cons 'major-mode
                              (smt/make-widget
                               :prototype 'major-mode