core: Let's try some neutral colors to avoid clashing with app colors.

core/client.js

@@ -149,7 +149,7 @@ class TfNavigationElement extends LitElement {
 					<link type="text/css" rel="stylesheet" href="/static/w3.css" />
 					<div class="w3-dropdown-click w3-right" style="max-width: 100%">
 						<button
-							class="w3-button w3-rest w3-cyan"
+							class="w3-button w3-rest"
 							style="text-overflow: ellipsis; overflow: hidden; white-space: nowrap; max-width: 100%"
 							id="identity"
 							@click=${self.toggle_id_dropdown}

core/index.html

@@ -38,8 +38,8 @@
 		style="
 			display: flex;
 			flex-flow: column;
-			width: 100vw;
-			height: 100vh;
+			width: 100%;
+			height: 100%;
 			position: absolute;
 			max-width: 100%;
 			max-height: 100%;

core/style.css

@@ -7,8 +7,8 @@ html {
 
 body {
 	font-family: monospace;
-	background-color: #002b36;
-	color: #eee8d5;
+	background-color: #444;
+	color: #fff;
 	width: 100%;
 	height: 100%;
 	padding: 0;