diff --git a/scss/style.scss b/scss/style.scss
index 004c8fc..ce98f0c 100644
--- a/scss/style.scss
+++ b/scss/style.scss
@@ -1,5 +1,11 @@
 /* ------------------ GLOBAL STYLE ------------------- */
 
+$large-shadow: 0px 2px 10px rgba(0, 0, 0, 0.3);
+$narrow-shadow: 0px 2px 6px rgba(0, 0, 0, 0.3);
+$inset-shadow: inset 0px -2px 0px rgba(0, 0, 0, 0.2);
+$inset-shadow-inverted: inset 0px 2px 0px rgba(0, 0, 0, 0.2);
+$inset-relief: inset 0px 2px 0px rgba(255, 255, 255, 0.1);
+
 #wrapper {
   background: #64b5f6 url('../img/background.png') center bottom repeat-x;
 }