1 files changed, 44 insertions, 0 deletions
diff --git a/toolkit/themes/shared/aboutServiceWorkers.css b/toolkit/themes/shared/aboutServiceWorkers.css
new file mode 100644
index 0000000000..c04e9161cd
--- /dev/null
+++ b/toolkit/themes/shared/aboutServiceWorkers.css
@@ -0,0 +1,44 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+body {
+  min-width: 330px;
+  max-width: 100%;
+  min-height: 330px;
+  max-height: 100%;
+}
+
+.warningBackground {
+  display: none;
+  background: -moz-Dialog;
+  width: 100%;
+  height: 100%;
+  z-index: 10;
+  top: 0;
+  inset-inline-start: 0;
+  position:fixed;
+}
+
+.warningMessage {
+  color: FieldText;
+  position: relative;
+  min-width: 330px;
+  max-width: 50em;
+  margin: 4em auto;
+  border: 1px solid ThreeDShadow;
+  border-radius: 10px;
+  padding: 3em;
+  padding-inline-start: 30px;
+  background: Field;
+  margin-inline-start: auto;
+  text-align: center;
+}
+
+.active {
+  display: block;
+}
+
+.inactive {
+  display: none;
+}