diff --git a/customize.dist/ckeditor-contents.css b/customize.dist/ckeditor-contents.css
index 4d2abae08..000162c00 100644
--- a/customize.dist/ckeditor-contents.css
+++ b/customize.dist/ckeditor-contents.css
@@ -205,3 +205,11 @@ a > img {
 .cp-link-clicked a {
     cursor: pointer;
 }
+
+media-tag {
+    display: inline-block;
+}
+media-tag * {
+    width: 100%;
+    height: 100%;
+}
diff --git a/www/common/common-ui-elements.js b/www/common/common-ui-elements.js
index 7f9e94423..dc5d054f5 100644
--- a/www/common/common-ui-elements.js
+++ b/www/common/common-ui-elements.js
@@ -418,7 +418,7 @@ define([
         var localStore = window.cryptpadStore;
         localStore.get('hide-alert-teamInvite', function (val) {
             if (val === '1') { return; }
-            $(linkWarning).show();
+            $(linkWarning).css('display', 'flex');
 
             $(dismissButton).on('click', function () {
                 localStore.put('hide-alert-teamInvite', '1');
diff --git a/www/common/inner/share.js b/www/common/inner/share.js
index 457befc22..34b258109 100644
--- a/www/common/inner/share.js
+++ b/www/common/inner/share.js
@@ -341,7 +341,7 @@ define([
 
         localStore.get('hide-alert-shareLinkWarning', function (val) {
             if (val === '1') { return; }
-            $(shareLinkWarning).show();
+            $(shareLinkWarning).css('display', 'flex');
 
             $(dismissButton).on('click', function () {
                 localStore.put('hide-alert-shareLinkWarning', '1');
@@ -737,7 +737,7 @@ define([
 
         localStore.get('hide-alert-shareLinkWarning', function (val) {
             if (val === '1') { return; }
-            $(shareLinkWarning).show();
+            $(shareLinkWarning).css('display', 'flex');
 
             $(dismissButton).on('click', function () {
                 localStore.put('hide-alert-shareLinkWarning', '1');