diff --git a/frontend/src/basic/Main.tsx b/frontend/src/basic/Main.tsx
index 04e813a1d..7b74b653e 100644
--- a/frontend/src/basic/Main.tsx
+++ b/frontend/src/basic/Main.tsx
@@ -1,6 +1,6 @@
 import React, { useEffect, useState } from 'react';
 import { HashRouter, BrowserRouter, Switch, Route, useHistory } from 'react-router-dom';
-import { useTheme, Box, Slide } from '@mui/material';
+import { useTheme, Box, Slide, Typography } from '@mui/material';
 
 import UserGenPage from './UserGenPage';
 import MakerPage from './MakerPage';
@@ -29,6 +29,7 @@ import { checkVer, getHost } from '../utils';
 import { sha256 } from 'js-sha256';
 
 import defaultCoordinators from '../../static/federation.json';
+import { useTranslation } from 'react-i18next';
 
 const getWindowSize = function (fontSize: number) {
   // returns window size in EM units
@@ -49,6 +50,8 @@ interface MainProps {
 }
 
 const Main = ({ settings, setSettings }: MainProps): JSX.Element => {
+  const { t } = useTranslation();
+
   // All app data structured
   const [book, setBook] = useState<Book>({ orders: [], loading: true });
   const [limits, setLimits] = useState<{ list: LimitList; loading: boolean }>({
@@ -117,7 +120,6 @@ const Main = ({ settings, setSettings }: MainProps): JSX.Element => {
           : coordinators[0].testnetOnion;
     }
     setBaseUrl(`http://${host}`);
-    console.log(`http://${host}`);
   }, [settings.network]);
 
   useEffect(() => {
@@ -225,6 +227,16 @@ const Main = ({ settings, setSettings }: MainProps): JSX.Element => {
         baseUrl={baseUrl}
         onLoad={() => setRobot({ ...robot, avatarLoaded: true })}
       />
+      {settings.network === 'testnet' ? (
+        <div style={{ height: 0 }}>
+          <Typography color='secondary' align='center'>
+            <i>{t('Using Testnet Bitcoin')}</i>
+          </Typography>
+        </div>
+      ) : (
+        <></>
+      )}
+
       <Box
         style={{
           position: 'absolute',
@@ -343,6 +355,7 @@ const Main = ({ settings, setSettings }: MainProps): JSX.Element => {
       </Box>
       <NavBar
         nickname={robot.avatarLoaded ? robot.nickname : null}
+        color={settings.network === 'mainnet' ? 'primary' : 'secondary'}
         width={windowSize.width}
         height={navbarHeight}
         page={page}
diff --git a/frontend/src/basic/NavBar/NavBar.tsx b/frontend/src/basic/NavBar/NavBar.tsx
index 70e74e23b..4d48f71d6 100644
--- a/frontend/src/basic/NavBar/NavBar.tsx
+++ b/frontend/src/basic/NavBar/NavBar.tsx
@@ -33,6 +33,7 @@ interface NavBarProps {
   currentOrder: number | null;
   hasRobot: boolean;
   baseUrl: string;
+  color: 'primary' | 'secondary';
 }
 
 const NavBar = ({
@@ -48,6 +49,7 @@ const NavBar = ({
   currentOrder,
   hasRobot = false,
   baseUrl,
+  color,
 }: NavBarProps): JSX.Element => {
   const theme = useTheme();
   const { t } = useTranslation();
@@ -100,6 +102,8 @@ const NavBar = ({
         TabIndicatorProps={{ sx: { height: '0.3em', position: 'absolute', top: 0 } }}
         variant='fullWidth'
         value={page}
+        indicatorColor={color}
+        textColor={color}
         onChange={changePage}
       >
         <Tab
diff --git a/frontend/src/models/Settings.model.ts b/frontend/src/models/Settings.model.ts
index 3d134b985..dd3805223 100644
--- a/frontend/src/models/Settings.model.ts
+++ b/frontend/src/models/Settings.model.ts
@@ -44,7 +44,7 @@ class BaseSettings {
   public fontSize: number = 14;
   public language?: Language;
   public freezeViewports: boolean = false;
-  public network: 'mainnet' | 'testnet' | undefined = 'mainnet';
+  public network: 'mainnet' | 'testnet' | undefined = 'testnet';
   public coordinator: Coordinator | undefined = undefined;
   public host?: string;
   public unsafeClient: boolean = false;