diff --git a/app/src/main/java/com/rtbishop/lookingsat/ui/MainActivity.kt b/app/src/main/java/com/rtbishop/lookingsat/ui/MainActivity.kt
index 3b396342..4c3e3cfc 100644
--- a/app/src/main/java/com/rtbishop/lookingsat/ui/MainActivity.kt
+++ b/app/src/main/java/com/rtbishop/lookingsat/ui/MainActivity.kt
@@ -7,8 +7,6 @@ import android.content.pm.PackageManager
 import android.net.Uri
 import android.os.Bundle
 import android.os.CountDownTimer
-import android.view.Menu
-import android.view.MenuItem
 import android.view.View
 import android.widget.ImageButton
 import android.widget.TextView
@@ -61,8 +59,8 @@ class MainActivity : AppCompatActivity() {
 
     private fun setupComponents() {
         viewModel = ViewModelProvider(this).get(MainViewModel::class.java)
-        timerLayout = findViewById(R.id.timer_layout)
-        timeToAos = findViewById(R.id.time_to_aos)
+        timerLayout = findViewById(R.id.toolbar_layout_timer)
+        timeToAos = findViewById(R.id.toolbar_time_to_aos)
 
         val toolbar: Toolbar = findViewById(R.id.toolbar)
         setSupportActionBar(toolbar)
@@ -121,8 +119,7 @@ class MainActivity : AppCompatActivity() {
         drawerBtnTle.setOnClickListener { viewModel.updateTwoLineElementFile() }
         drawerBtnTrans.setOnClickListener { viewModel.updateTransmittersDatabase() }
         drawerBtnGithub.setOnClickListener {
-            val intentGitHub = Intent(Intent.ACTION_VIEW, Uri.parse(githubUrl))
-            startActivity(intentGitHub)
+            startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(githubUrl)))
         }
         drawerBtnExit.setOnClickListener { finish() }
     }
@@ -179,16 +176,4 @@ class MainActivity : AppCompatActivity() {
         val navController = findNavController(R.id.nav_host)
         return navController.navigateUp(appBarConfig) || super.onSupportNavigateUp()
     }
-
-    override fun onCreateOptionsMenu(menu: Menu?): Boolean {
-        menuInflater.inflate(R.menu.main_menu, menu)
-        return true
-    }
-
-    override fun onOptionsItemSelected(item: MenuItem): Boolean {
-        when (item.itemId) {
-            R.id.menu_refresh -> Toast.makeText(this, "Refresh", Toast.LENGTH_SHORT).show()
-        }
-        return super.onOptionsItemSelected(item)
-    }
 }
\ No newline at end of file
diff --git a/app/src/main/res/drawable/launcher_background.xml b/app/src/main/res/drawable/launcher_background.xml
index e37eedb0..96c84546 100644
--- a/app/src/main/res/drawable/launcher_background.xml
+++ b/app/src/main/res/drawable/launcher_background.xml
@@ -3,6 +3,6 @@
     <gradient
         android:angle="270"
         android:endColor="#181818"
-        android:startColor="@color/surfaceDark"
+        android:startColor="@color/backgroundDark"
         android:type="linear" />
 </shape>
\ No newline at end of file
diff --git a/app/src/main/res/layout/app_bar_main.xml b/app/src/main/res/layout/app_bar_main.xml
index dc67d8e4..756ae53c 100644
--- a/app/src/main/res/layout/app_bar_main.xml
+++ b/app/src/main/res/layout/app_bar_main.xml
@@ -16,18 +16,25 @@
             android:layout_height="?attr/actionBarSize">
 
             <androidx.constraintlayout.widget.ConstraintLayout
-                android:id="@+id/timer_layout"
+                android:id="@+id/toolbar_layout_timer"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content">
 
                 <TextView
-                    android:id="@+id/time_to_aos"
+                    android:id="@+id/toolbar_time_to_aos"
                     style="@style/ToolbarText"
                     android:layout_marginEnd="16dp"
-                    android:text="@string/next_aos_pattern"
+                    app:layout_constraintBottom_toBottomOf="parent"
+                    app:layout_constraintEnd_toStartOf="@+id/toolbar_btn_refresh"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toTopOf="parent" />
+
+                <ImageButton
+                    android:id="@+id/toolbar_btn_refresh"
+                    style="@style/ToolbarButton"
+                    android:contentDescription="@string/placeholder"
                     app:layout_constraintBottom_toBottomOf="parent"
                     app:layout_constraintEnd_toEndOf="parent"
-                    app:layout_constraintStart_toStartOf="parent"
                     app:layout_constraintTop_toTopOf="parent" />
 
             </androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/content_main.xml b/app/src/main/res/layout/content_main.xml
index bc254f09..96a1cd3b 100644
--- a/app/src/main/res/layout/content_main.xml
+++ b/app/src/main/res/layout/content_main.xml
@@ -17,5 +17,6 @@
         app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintRight_toRightOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:navGraph="@navigation/nav_graph" />
+        app:navGraph="@navigation/nav_graph"
+        tools:ignore="FragmentTagUsage" />
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/menu/main_menu.xml b/app/src/main/res/menu/main_menu.xml
deleted file mode 100644
index 9daf6e35..00000000
--- a/app/src/main/res/menu/main_menu.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto">
-    <item
-        android:id="@+id/menu_refresh"
-        android:icon="@drawable/ic_refresh"
-        android:title="@string/menu_refresh"
-        app:showAsAction="always" />
-</menu>
\ No newline at end of file
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index a8056094..c590b626 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -1,8 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <color name="brandLight">#FFE082</color>
-    <color name="textOnLight">#101010</color>
-    <color name="surfaceDark">#080808</color>
-    <color name="textOnDark">#C0C0C0</color>
-    <color name="colorError">#800000</color>
+    <color name="themeAccent">#FFE082</color>
+    <color name="darkOnLight">#101010</color>
+    <color name="lightOnDark">#C0C0C0</color>
+    <color name="toolbarButton">#191919</color>
+    <color name="backgroundDark">#080808</color>
+    <color name="error">#800000</color>
 </resources>
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
index 5bdc6d2f..8fcc18c4 100644
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -1,4 +1,4 @@
 <resources>
-    <dimen name="drawer_header_height">288dp</dimen>
+    <dimen name="drawer_header_height">292dp</dimen>
     <dimen name="fab_margin">16dp</dimen>
 </resources>
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index 0572fdae..ed360ef6 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -1,15 +1,15 @@
 <resources>
 
     <style name="AppTheme" parent="Theme.MaterialComponents">
-        <item name="colorPrimary">@color/brandLight</item>
-        <item name="colorSecondary">@color/brandLight</item>
-        <item name="colorSurface">@color/surfaceDark</item>
-        <item name="colorError">@color/colorError</item>
+        <item name="colorPrimary">@color/themeAccent</item>
+        <item name="colorSecondary">@color/themeAccent</item>
+        <item name="colorSurface">@color/backgroundDark</item>
+        <item name="colorError">@color/error</item>
 
-        <item name="colorOnPrimary">@color/textOnLight</item>
-        <item name="colorOnSecondary">@color/textOnLight</item>
-        <item name="colorOnSurface">@color/textOnDark</item>
-        <item name="colorOnError">@color/textOnDark</item>
+        <item name="colorOnPrimary">@color/darkOnLight</item>
+        <item name="colorOnSecondary">@color/darkOnLight</item>
+        <item name="colorOnSurface">@color/lightOnDark</item>
+        <item name="colorOnError">@color/lightOnDark</item>
     </style>
 
     <style name="AppTheme.NoActionBar">
@@ -21,7 +21,7 @@
     <style name="DrawerHeader">
         <item name="android:layout_width">wrap_content</item>
         <item name="android:layout_height">wrap_content</item>
-        <item name="android:textColor">@color/textOnDark</item>
+        <item name="android:textColor">@color/lightOnDark</item>
     </style>
 
     <style name="DrawerHeader.Title">
@@ -42,16 +42,24 @@
     <style name="DrawerHeader.Button">
         <item name="android:layout_width">48dp</item>
         <item name="android:layout_height">48dp</item>
-        <item name="android:backgroundTint">@color/brandLight</item>
+        <item name="android:backgroundTint">@color/themeAccent</item>
     </style>
 
     <style name="ToolbarText">
         <item name="android:layout_width">wrap_content</item>
         <item name="android:layout_height">wrap_content</item>
         <item name="android:gravity">center</item>
-        <item name="android:textStyle">bold</item>
+        <item name="android:text">@string/next_aos_pattern</item>
         <item name="android:textSize">30sp</item>
-        <item name="android:textColor">@color/brandLight</item>
+        <item name="android:textStyle">bold</item>
+        <item name="android:textColor">@color/themeAccent</item>
+    </style>
+
+    <style name="ToolbarButton">
+        <item name="android:layout_width">48dp</item>
+        <item name="android:layout_height">48dp</item>
+        <item name="android:src">@drawable/ic_refresh</item>
+        <item name="android:backgroundTint">@color/toolbarButton</item>
     </style>
 
 </resources>