Changed the icon to hamberger white

app/src/main/assets/svg/hamburger.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="black" width="18px" height="18px"><path d="M0 0h24v24H0z" fill="none"/><path d="M3 18h18v-2H3v2zm0-5h18v-2H3v2zm0-7v2h18V6H3z"/></svg>

app/src/main/res/drawable-anydpi/ic_hamburger.xml

@@ -0,0 +1,11 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="#FFFFFF"
+    android:alpha="0.8">
+  <path
+      android:pathData="M3,18h18v-2L3,16v2zM3,13h18v-2L3,11v2zM3,6v2h18L21,6L3,6z"
+      android:fillColor="#000000"/>
+</vector>

app/src/main/res/layout/activity_main.xml

@@ -22,11 +22,13 @@
 
             <ImageView
                 android:id="@+id/main_activity_open_drawer_btn"
-                android:layout_width="60dp"
+                android:layout_width="35dp"
                 android:layout_height="match_parent"
                 android:layout_gravity="center_vertical"
+                android:layout_margin="2sp"
+                android:layout_marginStart="2sp"
                 android:contentDescription="@string/drawer_button_cnt_desc"
-                app:srcCompat="@drawable/ic_launcher_foreground" />
+                app:srcCompat="@drawable/ic_hamburger" />
 
             <com.google.android.material.tabs.TabLayout
                 android:id="@+id/tabs"