css to fix chrome update

CHANGELOG

+minerva (14.0.13) stable; urgency=medium
+  * Bug fix: chrome modified default css and service looked ugly in chrome
+    (#1260)
+
+ -- Piotr Gawron <piotr.gawron@uni.lu>  Wed, 3 Jun 2020 17:00:00 +0200
+
 minerva (14.0.12) stable; urgency=medium
   * Bug fix: comments on submaps were not visible (#1230)
   * Bug fix: removing comment from submap did not work

frontend-js/src/main/css/global.css

@@ -2,6 +2,14 @@ html {
     font-size: 14px;
 }
 
+button {
+    border-color: buttonface;
+}
+
+input {
+    border-color: initial;
+}
+
 button, input, optgroup, select, textarea {
     color: inherit;
 }