Merge pull request #3121 from gets0ul/issue-2832-fix

Fix for Issue #2832 Deadlines section

Author: sushilshinde

src/shared/components/challenge-detail/Header/DeadlinesPanel/index.jsx

@@ -16,7 +16,7 @@ export default function DeadlinesPanel({ deadlines }) {
   const started = moment(start).isBefore(moment());
 
   return (
-    <div styleName="panel">
+    <div styleName="panel" tabIndex="0" role="tabpanel">
       <p styleName="timezone">
 Timezone:
         {moment.tz.guess()}