Issue #3077678 Update CSS to match patch

Closes #3077678

css/environment_indicator.css

@@ -6,12 +6,14 @@
   text-align: center;
   white-space: nowrap;
   color: white;
-  text-shadow: 0 -1px 1px #333;
+  font-size: 12px;
+  font-family: sans-serif;
   font-weight: bold;
+  line-height: 1;
   z-index: 10;
   left: 0;
   right: 0;
-  padding: 5px;
+  padding: 8px;
   background-image: linear-gradient(bottom, rgba(207,207,207,0.3) 19%, rgba(250,250,250,0.3) 60%, rgba(255,255,255,0.3) 80%);
 }