Bug 818172 - Overrides the building block styles to show SIM PIN error

apps/system/style/simcard.css

@@ -18,10 +18,21 @@
   padding-top: 10px;
 }
 
+#errorMsg{
+  padding: 1rem;
+}
+
 #simpin-dialog .error #messageHeader {
   color: red;
 }
 
+/* for simpin error message,
+ * to override [role="dialog"] rules in core.css*/
+#messageBody {
+  color: #000;
+  white-space: normal;
+}
+
 #simpin-dialog .input-wrapper {
   position: relative;
 }