Merge pull request #295 from ddbeck/2023-08-14-add-feature-1-css-over…

…flow

Add `overflow` shorthand feature (with `clip` values)

feature-group-definitions/overflow-shorthand.yml

@@ -0,0 +1,15 @@
+spec: https://drafts.csswg.org/css-overflow-3/#propdef-overflow
+caniuse: css-overflow
+compat_features:
+  - css.properties.overflow-x
+  - css.properties.overflow-x.clip
+  - css.properties.overflow-y
+  - css.properties.overflow-y.clip
+  - css.properties.overflow
+  - css.properties.overflow.clip
+  - css.properties.overflow.multiple_keywords
+  # BCD appears to represent `<overflow>` values as both
+  # 1) keyword subfeatures on properties (above) and
+  # 2) a type (below)
+  - css.types.overflow
+  - css.types.overflow.clip