1 files changed, 14 insertions, 0 deletions
diff --git a/layout/reftests/css-animations/content-on-pseudo-element-at-beginning.html b/layout/reftests/css-animations/content-on-pseudo-element-at-beginning.html
new file mode 100644
index 0000000000..0d4f05890b
--- /dev/null
+++ b/layout/reftests/css-animations/content-on-pseudo-element-at-beginning.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html>
+  <style>
+  @keyframes anim {
+    from { content: 'content'; }
+    to { content: ''; }
+  }
+  #target::before {
+    content: 'initial';
+    animation: anim 100s paused;
+  }
+  </style>
+  <div id='target'></div>
+</html>