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gaia/shared/elements/gaia_grid/style/external.css

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+/**
+Some css properties are global (keyframes) and cannot be specified
+to to only apply to our shadow dom so we hack around this by including
+this file without scoping it.
+*/
+
+
+/**
+Bug 1018269 - we need to specify the keyframe outside
+              of the web component...
+*/
+
+@keyframes rotate {
+  from {
+    transform: rotate(1deg)
+  }
+  to {
+    transform: rotate(360deg)
+  }
+}
+
+:-moz-dir(rtl) gaia-grid {
+  direction: ltr;
+}