avoid transparency syntax diff errors

.Xresources

@@ -16,6 +16,6 @@
 *.color14: #8ec07c
 *.color15: #ebdbb2
 !! Transparency (0-255):
-*.alpha: 230
+st.alpha: 230
 !! Set a default font and font size as below:
 !! *.font: Monospace-14;