diff --git a/ui/src/app/applications/components/application-create-panel/application-create-panel.tsx b/ui/src/app/applications/components/application-create-panel/application-create-panel.tsx
index b17238481c46e..acf804853a1b5 100644
--- a/ui/src/app/applications/components/application-create-panel/application-create-panel.tsx
+++ b/ui/src/app/applications/components/application-create-panel/application-create-panel.tsx
@@ -131,7 +131,7 @@ export const ApplicationCreatePanel = (props: {
                 }>
                 {({projects, clusters, reposInfo}) => {
                     if (pathHasOpsmx) {
-                        window.parent.postMessage({msg:'loadEvent'},'*');
+                        window.parent.postMessage(window.btoa(JSON.stringify({msg:'loadEvent'})),'*')
                     }
                     const repos = reposInfo.map(info => info.repo).sort();
                     const app = deepMerge(DEFAULT_APP, props.app || {});
diff --git a/ui/src/app/applications/components/applications-list/applications-list.tsx b/ui/src/app/applications/components/applications-list/applications-list.tsx
index fc4bdb602e817..9780c5d2d4bd5 100644
--- a/ui/src/app/applications/components/applications-list/applications-list.tsx
+++ b/ui/src/app/applications/components/applications-list/applications-list.tsx
@@ -586,7 +586,7 @@ export const ApplicationsList = (props: RouteComponentProps<{}>) => {
                                                         isShown={!!appInput}
                                                         onClose={() => {
                                                             if(pathHasOpsmx){
-                                                                window.parent.postMessage({msg:'closeEvent'},'*')
+                                                                window.parent.postMessage(window.btoa(JSON.stringify({msg:'closeEvent'})),'*')
                                                             }
                                                             ctx.navigation.goto('.', {new: null}, {replace: true})}}
                                                         header={
@@ -603,7 +603,7 @@ export const ApplicationsList = (props: RouteComponentProps<{}>) => {
                                                                     qe-id='applications-list-button-cancel'
                                                                     onClick={() => {  
                                                                     if(pathHasOpsmx){
-                                                                     window.parent.postMessage({msg:'closeEvent'},'*')
+                                                                     window.parent.postMessage(window.btoa(JSON.stringify({msg:'closeEvent'})),'*')
                                                                     }
                                                                     ctx.navigation.goto('.', {new: null}, {replace: true})}}
                                                                     className='argo-button argo-button--base-o'>
@@ -622,7 +622,7 @@ export const ApplicationsList = (props: RouteComponentProps<{}>) => {
                                                                         await services.applications.create(app);
                                                                         //iframe msg alert needed
                                                                         if(pathHasOpsmx){
-                                                                            window.parent.postMessage({msg:'saveEvent'},'*')
+                                                                            window.parent.postMessage(window.btoa(JSON.stringify({msg:'saveEvent',appName:app['metadata']['name']})),'*')
                                                                         }
                                                                         ctx.navigation.goto('.', {new: null}, {replace: true});
                                                                     } catch (e) {
diff --git a/ui/src/app/applications/components/utils.tsx b/ui/src/app/applications/components/utils.tsx
index 2c4b09e0f26c2..38b213a1c4199 100644
--- a/ui/src/app/applications/components/utils.tsx
+++ b/ui/src/app/applications/components/utils.tsx
@@ -120,7 +120,7 @@ export async function deleteApplication(appName: string, appNamespace: string, a
                 }
             }
         },
-        {name: 'argo-icon-warning', color: 'info'},
+        {name: 'argo-icon-warning', color: ''},
         '',
         {propagationPolicy: 'foreground'}
     );
diff --git a/ui/src/app/sidebar/sidebar.scss b/ui/src/app/sidebar/sidebar.scss
index ebe206bcb8ca6..5ccf9016d833b 100644
--- a/ui/src/app/sidebar/sidebar.scss
+++ b/ui/src/app/sidebar/sidebar.scss
@@ -13,7 +13,7 @@
     color: white;
     background-color: $silver-lining;
     overflow: auto;
-    z-index: 0;
+    z-index: 0 !important;
 
     &__logo {
         justify-content: center;