diff --git a/android/app/src/main/res/font/jost400.otf b/android/app/src/main/res/font/jost400.otf
new file mode 100644
index 0000000..7abf6cf
Binary files /dev/null and b/android/app/src/main/res/font/jost400.otf differ
diff --git a/android/app/src/main/res/font/jost_normal.xml b/android/app/src/main/res/font/jost_normal.xml
new file mode 100644
index 0000000..c5222c3
--- /dev/null
+++ b/android/app/src/main/res/font/jost_normal.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<font-family xmlns:android="http://schemas.android.com/apk/res/android">
+  <font
+    android:font="@font/jost400"
+    android:fontStyle="normal"
+    android:fontWeight="400" />
+</font-family>
\ No newline at end of file
diff --git a/android/app/src/main/res/values/colors.xml b/android/app/src/main/res/values/colors.xml
index 6f1943f..caab5fc 100644
--- a/android/app/src/main/res/values/colors.xml
+++ b/android/app/src/main/res/values/colors.xml
@@ -9,4 +9,9 @@
 
     <!--   a secondary color for controls like checkboxes and text fields -->
     <color name="colorAccent">#4FAFA7</color>
+
+    <!--   custom colors -->
+    <color name="grey">#A5A5A5</color>
+    <color name="orange">#F38337</color>
+    <color name="purple">#3A2671</color>
 </resources>
\ No newline at end of file
diff --git a/android/app/src/main/res/values/styles.xml b/android/app/src/main/res/values/styles.xml
index 5536275..d27d7ee 100644
--- a/android/app/src/main/res/values/styles.xml
+++ b/android/app/src/main/res/values/styles.xml
@@ -3,7 +3,37 @@
     <!-- Base application theme. -->
     <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
         <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
         <item name="colorAccent">@color/colorAccent</item>
+
+        <item name="android:alertDialogTheme">@style/AlertDialogTheme</item>
+    </style>
+
+    <style name="AlertDialogTheme" parent="Theme.AppCompat.Dialog.Alert">
+      <item name="android:buttonBarNegativeButtonStyle">@style/NegativeButtonStyle</item>
+      <item name="android:buttonBarPositiveButtonStyle">@style/PositiveButtonStyle</item>
+      <item name="android:fontFamily">@font/jost_normal</item>
+      <item name="android:textColorPrimary">@color/grey</item>
+      <item name="android:windowTitleStyle">@style/TitleStyle</item>
+    </style>
+
+    <style name="NegativeButtonStyle" parent="Widget.AppCompat.Button.ButtonBar.AlertDialog">
+      <item name="android:textColor">@color/grey</item>
+      <item name="android:textSize">18sp</item>
+    </style>
+
+    <style name="PositiveButtonStyle" parent="Widget.AppCompat.Button.ButtonBar.AlertDialog">
+      <item name="android:textColor">@color/orange</item>
+      <item name="android:textSize">18sp</item>
+      <item name="android:textStyle">bold</item>
+    </style>
+
+    <style name="TitleStyle" parent="Widget.AppCompat.Button.ButtonBar.AlertDialog">
+      <item name="android:gravity">left</item>
+      <item name="android:textColor">@color/purple</item>
+      <item name="android:textSize">22sp</item>
+      <item name="android:textStyle">bold</item>
     </style>
 
 </resources>