Bug 1111463 part 2 - Add styles in html.css and ua.css. r=dbaron

--HG--
extra : source : 36266a6c05c5d40c0ebdd97a3935041a8d8f1010

layout/style/html.css

@@ -761,3 +761,37 @@ marquee[direction="up"], marquee[direction="down"] {
   marquee { -moz-binding: none; }
 
 }
+
+/* Ruby */
+
+@supports (display: ruby) {
+  ruby {
+    display: ruby;
+  }
+  rb {
+    display: ruby-base;
+    white-space: nowrap;
+  }
+  rp {
+    display: none;
+  }
+  rt {
+    display: ruby-text;
+    font-variant-east-asian: ruby;
+    text-emphasis: none;
+  }
+  rtc {
+    display: ruby-text-container;
+  }
+  rtc, rt {
+    white-space: nowrap;
+    font-size: 50%;
+    line-height: 1;
+  }
+  rtc > rt {
+    font-size: inherit;
+  }
+  ruby, rb, rt, rbc, rtc {
+    unicode-bidi: isolate;
+  }
+}

layout/style/ua.css

@@ -73,7 +73,7 @@
 }
 
 /* Ruby */
-@supports(display:ruby) {
+@supports (display:ruby) {
   *|*::-moz-ruby {
     display: ruby;
   }