ua.css: add parens to rt before and after

Forgot to add any replacement for rp after setting it to display: none,
so parentheses around ruby text were not being displayed.

1 files changed, 8 insertions, 0 deletions

diff --git a/res/ua.css b/res/ua.css
index 5c020ba0..8404c8b6 100644
--- a/res/ua.css
+++ b/res/ua.css
@@ -297,3 +297,11 @@ center {
 blink {
 	text-decoration: blink;
 }
+
+rt::before {
+	content: '（';
+}
+
+rt::after {
+	content: '）';
+}