1 files changed, 18 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-ruby/support/ruby-common.css b/testing/web-platform/tests/css/css-ruby/support/ruby-common.css
new file mode 100644
index 0000000000..cf83123281
--- /dev/null
+++ b/testing/web-platform/tests/css/css-ruby/support/ruby-common.css
@@ -0,0 +1,18 @@
+rbc {
+  display: ruby-base-container;
+  unicode-bidi: isolate;
+}
+[pseudo] {
+  font-size: inherit;
+  line-height: inherit;
+}
+[pseudo] > rt {
+  font-size: 50%;
+}
+[pseudo] > rt[pseudo] {
+  font-size: inherit;
+}
+
+.large {
+  font-size: 200%;
+}