Fix incorrect mappings for some iconic classes

Change-Id: Ieeb7159768453a17b01b8e2a59289b256c6c3492
diff --git a/src/main/resources/bootstrap/css/iconic.css b/src/main/resources/bootstrap/css/iconic.css
index 137606c..66b9fe2 100644
--- a/src/main/resources/bootstrap/css/iconic.css
+++ b/src/main/resources/bootstrap/css/iconic.css
@@ -104,17 +104,17 @@
     content: '\270e';
   }
   .iconic-x:before {
-    content: '\2717';
-  }
-  .iconic-o-x:before {
-    content: '\2718';
-  }
-  .iconic-check:before {
     content: '\2713';
   }
-  .iconic-o-check:before {
+  .iconic-o-x:before {
     content: '\2714';
   }
+  .iconic-check:before {
+    content: '\2717';
+  }
+  .iconic-o-check:before {
+    content: '\2718';
+  }
   .iconic-left-quote:before {
     content: '\275d';
   }