Index: data/themes/default.edc
===================================================================
--- data/themes/default.edc	(revision 59835)
+++ data/themes/default.edc	(working copy)
@@ -1947,6 +1947,18 @@ collections {
 
 ///////////////////////////////////////////////////////////////////////////////
 
+#define GAP_B   8
+#define GAP_A(y)   ((y)/GAP_B)
+#define BASE_PART(size_type1) \
+        part { \
+	   name: "base"; \
+           type: RECT; \
+           description { \
+           state: "default" 0.0; \
+                rel1 { relative: 1.0 GAP_A(GAP_B+size_type1); } \
+           } \
+        }
+
    group { name: "elm/button/base/default";
       images {
          image: "bt_base1.png" COMP;
@@ -1958,6 +1970,7 @@ collections {
          image: "bt_dis_hilight.png" COMP;
       }
       parts {
+         BASE_PART(30);
          part { name: "button_image";
             mouse_events: 1;
             description { state: "default" 0.0;
