Accessibility fixes:

	- changed buttons to spans since not being used in forms
	- added aria roles to html elements
	- changed low contrast colors

Change-Id: I56e784b226baa7f9b24346446a0a023fcea633d4
Signed-off-by: Michael Davis <michael.s.davis@ibm.com>
diff --git a/app/common/directives/confirm.html b/app/common/directives/confirm.html
index a38cf60..aade7dd 100644
--- a/app/common/directives/confirm.html
+++ b/app/common/directives/confirm.html
@@ -5,6 +5,6 @@
     </div>
     <div class="inline__confirm-buttons">
         <button class="btn-primary" ng-click="accept()">Yes</button>
-        <button class="btn-primary" ng-click="cancel()">No</button>
+        <button class="btn-primary default" ng-click="cancel()">No</button>
     </div>
 </div>
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