fix: issue #1196

Author: yoution

src/components/ChallengeEditor/ChallengeEditor.module.scss

@@ -15,6 +15,10 @@
   }
 }
 
+.textCenter {
+  text-align: center;
+}
+
 .topContainer {
   margin-top: 30px;
   display: flex;

src/components/ChallengeEditor/index.js

@@ -1321,7 +1321,7 @@ class ChallengeEditor extends Component {
           <ConfirmationModal
             title='Complete Task Confirmation'
             message={
-              <p>
+              <p className={styles.textCenter}>
                 Are you sure want to complete task <strong>"{challenge.name}"</strong> with the prize <strong>${taskPrize}</strong> for <strong>{assignedMember}</strong>?
               </p>
             }