Reduce the weight of the breakpoints count rule (#176)

lib/metadata/scoreProfileGeneric.json

@@ -71,7 +71,7 @@
                 "cssComplexSelectors": 2,
                 "cssColors": 0.5,
                 "similarColors": 0.5,
-                "cssBreakpoints": 1,
+                "cssBreakpoints": 0.5,
                 "cssMobileFirst": 1
             }
         },