+#ifdef __WXGTK3__
+#define DCPOMATIC_SPIN_CTRL_WIDTH 118
+#else
+#define DCPOMATIC_SPIN_CTRL_WIDTH 56
+#endif
+
+/** Amount by which you need to bottom-pad text next to a checkbox in order
+ * for the text baselines to be aligned.
+ */
+#ifdef DCPOMATIC_OSX
+#define DCPOMATIC_CHECKBOX_BOTTOM_PAD 2
+#else
+#define DCPOMATIC_CHECKBOX_BOTTOM_PAD 0
+#endif
+
+/** Amount by which you need to top-pad a choice to make it line up, in some cases */
+#ifdef DCPOMATIC_OSX
+#define DCPOMATIC_CHOICE_TOP_PAD 1
+#else
+#define DCPOMATIC_CHOICE_TOP_PAD 0
+#endif