diff --git a/app/src/main/res/drawable-hdpi/ic_insert_drive_file_white_24dp.png b/app/src/main/res/drawable-hdpi/ic_insert_drive_file_white_24dp.png
deleted file mode 100644
index 84755e4..0000000
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diff --git a/app/src/main/res/drawable-hdpi/ic_navigate_before_white_24dp.png b/app/src/main/res/drawable-hdpi/ic_navigate_before_white_24dp.png
deleted file mode 100644
index bd23a06..0000000
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diff --git a/app/src/main/res/drawable-hdpi/ic_navigate_next_white_24dp.png b/app/src/main/res/drawable-hdpi/ic_navigate_next_white_24dp.png
deleted file mode 100644
index 1f10ee4..0000000
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diff --git a/app/src/main/res/drawable-hdpi/ic_pageview_white_24dp.png b/app/src/main/res/drawable-hdpi/ic_pageview_white_24dp.png
deleted file mode 100644
index e0adb37..0000000
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diff --git a/app/src/main/res/drawable-hdpi/ic_rotate_left_white_24dp.png b/app/src/main/res/drawable-hdpi/ic_rotate_left_white_24dp.png
deleted file mode 100644
index e22d7b0..0000000
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diff --git a/app/src/main/res/drawable-hdpi/ic_rotate_right_white_24dp.png b/app/src/main/res/drawable-hdpi/ic_rotate_right_white_24dp.png
deleted file mode 100644
index fa7fccd..0000000
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diff --git a/app/src/main/res/drawable-hdpi/ic_zoom_in_white_24dp.png b/app/src/main/res/drawable-hdpi/ic_zoom_in_white_24dp.png
deleted file mode 100644
index 6373294..0000000
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diff --git a/app/src/main/res/drawable-hdpi/ic_zoom_out_white_24dp.png b/app/src/main/res/drawable-hdpi/ic_zoom_out_white_24dp.png
deleted file mode 100644
index 7772cee..0000000
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diff --git a/app/src/main/res/drawable-mdpi/ic_insert_drive_file_white_24dp.png b/app/src/main/res/drawable-mdpi/ic_insert_drive_file_white_24dp.png
deleted file mode 100644
index b51ce3e..0000000
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diff --git a/app/src/main/res/drawable-mdpi/ic_navigate_before_white_24dp.png b/app/src/main/res/drawable-mdpi/ic_navigate_before_white_24dp.png
deleted file mode 100644
index 4d7869d..0000000
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diff --git a/app/src/main/res/drawable-mdpi/ic_navigate_next_white_24dp.png b/app/src/main/res/drawable-mdpi/ic_navigate_next_white_24dp.png
deleted file mode 100644
index b4f3c6d..0000000
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diff --git a/app/src/main/res/drawable-mdpi/ic_pageview_white_24dp.png b/app/src/main/res/drawable-mdpi/ic_pageview_white_24dp.png
deleted file mode 100644
index 2e1a810..0000000
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diff --git a/app/src/main/res/drawable-mdpi/ic_rotate_left_white_24dp.png b/app/src/main/res/drawable-mdpi/ic_rotate_left_white_24dp.png
deleted file mode 100644
index a73d48c..0000000
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diff --git a/app/src/main/res/drawable-mdpi/ic_rotate_right_white_24dp.png b/app/src/main/res/drawable-mdpi/ic_rotate_right_white_24dp.png
deleted file mode 100644
index 6750928..0000000
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diff --git a/app/src/main/res/drawable-mdpi/ic_zoom_in_white_24dp.png b/app/src/main/res/drawable-mdpi/ic_zoom_in_white_24dp.png
deleted file mode 100644
index 36a659d..0000000
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diff --git a/app/src/main/res/drawable-mdpi/ic_zoom_out_white_24dp.png b/app/src/main/res/drawable-mdpi/ic_zoom_out_white_24dp.png
deleted file mode 100644
index e69da0b..0000000
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diff --git a/app/src/main/res/drawable-xhdpi/ic_insert_drive_file_white_24dp.png b/app/src/main/res/drawable-xhdpi/ic_insert_drive_file_white_24dp.png
deleted file mode 100644
index 798ebd4..0000000
Binary files a/app/src/main/res/drawable-xhdpi/ic_insert_drive_file_white_24dp.png and /dev/null differ
diff --git a/app/src/main/res/drawable-xhdpi/ic_navigate_before_white_24dp.png b/app/src/main/res/drawable-xhdpi/ic_navigate_before_white_24dp.png
deleted file mode 100644
index 62f3590..0000000
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diff --git a/app/src/main/res/drawable-xhdpi/ic_navigate_next_white_24dp.png b/app/src/main/res/drawable-xhdpi/ic_navigate_next_white_24dp.png
deleted file mode 100644
index 93dec39..0000000
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diff --git a/app/src/main/res/drawable-xhdpi/ic_pageview_white_24dp.png b/app/src/main/res/drawable-xhdpi/ic_pageview_white_24dp.png
deleted file mode 100644
index e33356a..0000000
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diff --git a/app/src/main/res/drawable-xhdpi/ic_rotate_left_white_24dp.png b/app/src/main/res/drawable-xhdpi/ic_rotate_left_white_24dp.png
deleted file mode 100644
index 029d35f..0000000
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diff --git a/app/src/main/res/drawable-xhdpi/ic_rotate_right_white_24dp.png b/app/src/main/res/drawable-xhdpi/ic_rotate_right_white_24dp.png
deleted file mode 100644
index 4299904..0000000
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diff --git a/app/src/main/res/drawable-xhdpi/ic_zoom_in_white_24dp.png b/app/src/main/res/drawable-xhdpi/ic_zoom_in_white_24dp.png
deleted file mode 100644
index ce88ebd..0000000
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diff --git a/app/src/main/res/drawable-xhdpi/ic_zoom_out_white_24dp.png b/app/src/main/res/drawable-xhdpi/ic_zoom_out_white_24dp.png
deleted file mode 100644
index 8c6ccea..0000000
Binary files a/app/src/main/res/drawable-xhdpi/ic_zoom_out_white_24dp.png and /dev/null differ
diff --git a/app/src/main/res/drawable-xxhdpi/ic_insert_drive_file_white_24dp.png b/app/src/main/res/drawable-xxhdpi/ic_insert_drive_file_white_24dp.png
deleted file mode 100644
index f3e153b..0000000
Binary files a/app/src/main/res/drawable-xxhdpi/ic_insert_drive_file_white_24dp.png and /dev/null differ
diff --git a/app/src/main/res/drawable-xxhdpi/ic_navigate_before_white_24dp.png b/app/src/main/res/drawable-xxhdpi/ic_navigate_before_white_24dp.png
deleted file mode 100644
index 87a5f51..0000000
Binary files a/app/src/main/res/drawable-xxhdpi/ic_navigate_before_white_24dp.png and /dev/null differ
diff --git a/app/src/main/res/drawable-xxhdpi/ic_navigate_next_white_24dp.png b/app/src/main/res/drawable-xxhdpi/ic_navigate_next_white_24dp.png
deleted file mode 100644
index b2812e9..0000000
Binary files a/app/src/main/res/drawable-xxhdpi/ic_navigate_next_white_24dp.png and /dev/null differ
diff --git a/app/src/main/res/drawable-xxhdpi/ic_pageview_white_24dp.png b/app/src/main/res/drawable-xxhdpi/ic_pageview_white_24dp.png
deleted file mode 100644
index d292eff..0000000
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diff --git a/app/src/main/res/drawable-xxhdpi/ic_rotate_left_white_24dp.png b/app/src/main/res/drawable-xxhdpi/ic_rotate_left_white_24dp.png
deleted file mode 100644
index bdfcbca..0000000
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diff --git a/app/src/main/res/drawable-xxhdpi/ic_rotate_right_white_24dp.png b/app/src/main/res/drawable-xxhdpi/ic_rotate_right_white_24dp.png
deleted file mode 100644
index 6d73012..0000000
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diff --git a/app/src/main/res/drawable-xxhdpi/ic_zoom_in_white_24dp.png b/app/src/main/res/drawable-xxhdpi/ic_zoom_in_white_24dp.png
deleted file mode 100644
index 30b8470..0000000
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diff --git a/app/src/main/res/drawable-xxhdpi/ic_zoom_out_white_24dp.png b/app/src/main/res/drawable-xxhdpi/ic_zoom_out_white_24dp.png
deleted file mode 100644
index 68aaec6..0000000
Binary files a/app/src/main/res/drawable-xxhdpi/ic_zoom_out_white_24dp.png and /dev/null differ
diff --git a/app/src/main/res/drawable-xxxhdpi/ic_insert_drive_file_white_24dp.png b/app/src/main/res/drawable-xxxhdpi/ic_insert_drive_file_white_24dp.png
deleted file mode 100644
index 5bd5690..0000000
Binary files a/app/src/main/res/drawable-xxxhdpi/ic_insert_drive_file_white_24dp.png and /dev/null differ
diff --git a/app/src/main/res/drawable-xxxhdpi/ic_navigate_before_white_24dp.png b/app/src/main/res/drawable-xxxhdpi/ic_navigate_before_white_24dp.png
deleted file mode 100644
index a68bc5f..0000000
Binary files a/app/src/main/res/drawable-xxxhdpi/ic_navigate_before_white_24dp.png and /dev/null differ
diff --git a/app/src/main/res/drawable-xxxhdpi/ic_navigate_next_white_24dp.png b/app/src/main/res/drawable-xxxhdpi/ic_navigate_next_white_24dp.png
deleted file mode 100644
index 6858f02..0000000
Binary files a/app/src/main/res/drawable-xxxhdpi/ic_navigate_next_white_24dp.png and /dev/null differ
diff --git a/app/src/main/res/drawable-xxxhdpi/ic_pageview_white_24dp.png b/app/src/main/res/drawable-xxxhdpi/ic_pageview_white_24dp.png
deleted file mode 100644
index 9df7fdd..0000000
Binary files a/app/src/main/res/drawable-xxxhdpi/ic_pageview_white_24dp.png and /dev/null differ
diff --git a/app/src/main/res/drawable-xxxhdpi/ic_rotate_left_white_24dp.png b/app/src/main/res/drawable-xxxhdpi/ic_rotate_left_white_24dp.png
deleted file mode 100644
index 18be026..0000000
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diff --git a/app/src/main/res/drawable-xxxhdpi/ic_rotate_right_white_24dp.png b/app/src/main/res/drawable-xxxhdpi/ic_rotate_right_white_24dp.png
deleted file mode 100644
index 13e03d5..0000000
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diff --git a/app/src/main/res/drawable-xxxhdpi/ic_zoom_in_white_24dp.png b/app/src/main/res/drawable-xxxhdpi/ic_zoom_in_white_24dp.png
deleted file mode 100644
index b636f6e..0000000
Binary files a/app/src/main/res/drawable-xxxhdpi/ic_zoom_in_white_24dp.png and /dev/null differ
diff --git a/app/src/main/res/drawable-xxxhdpi/ic_zoom_out_white_24dp.png b/app/src/main/res/drawable-xxxhdpi/ic_zoom_out_white_24dp.png
deleted file mode 100644
index d85e242..0000000
Binary files a/app/src/main/res/drawable-xxxhdpi/ic_zoom_out_white_24dp.png and /dev/null differ
diff --git a/app/src/main/res/drawable/baseline_first_page_24.xml b/app/src/main/res/drawable/baseline_first_page_24.xml
deleted file mode 100755
index 46b62f2..0000000
--- a/app/src/main/res/drawable/baseline_first_page_24.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-        android:width="24dp"
-        android:height="24dp"
-        android:viewportWidth="24.0"
-        android:viewportHeight="24.0"
-        android:tint="?attr/colorControlNormal">
-    <path
-        android:fillColor="@android:color/white"
-        android:pathData="M18.41,16.59L13.82,12l4.59,-4.59L17,6l-6,6 6,6zM6,6h2v12H6z"/>
-</vector>
diff --git a/app/src/main/res/drawable/baseline_last_page_24.xml b/app/src/main/res/drawable/baseline_last_page_24.xml
deleted file mode 100755
index 0efc8c6..0000000
--- a/app/src/main/res/drawable/baseline_last_page_24.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-        android:width="24dp"
-        android:height="24dp"
-        android:viewportWidth="24.0"
-        android:viewportHeight="24.0"
-        android:tint="?attr/colorControlNormal">
-    <path
-        android:fillColor="@android:color/white"
-        android:pathData="M5.59,7.41L10.18,12l-4.59,4.59L7,18l6,-6 -6,-6zM16,6h2v12h-2z"/>
-</vector>
diff --git a/app/src/main/res/drawable/ic_first_page_24dp.xml b/app/src/main/res/drawable/ic_first_page_24dp.xml
new file mode 100644
index 0000000..59d6aa5
--- /dev/null
+++ b/app/src/main/res/drawable/ic_first_page_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="?attr/colorControlNormal"
+        android:pathData="M17.7,15.89L13.82,12l3.89,-3.89c0.39,-0.39 0.39,-1.02 0,-1.41 -0.39,-0.39 -1.02,-0.39 -1.41,0l-4.59,4.59c-0.39,0.39 -0.39,1.02 0,1.41l4.59,4.59c0.39,0.39 1.02,0.39 1.41,0 0.38,-0.38 0.38,-1.02 -0.01,-1.4zM7,6c0.55,0 1,0.45 1,1v10c0,0.55 -0.45,1 -1,1s-1,-0.45 -1,-1V7c0,-0.55 0.45,-1 1,-1z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_insert_drive_file_24dp.xml b/app/src/main/res/drawable/ic_insert_drive_file_24dp.xml
new file mode 100644
index 0000000..d35c045
--- /dev/null
+++ b/app/src/main/res/drawable/ic_insert_drive_file_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="?attr/colorControlNormal"
+        android:pathData="M6,2c-1.1,0 -1.99,0.9 -1.99,2L4,20c0,1.1 0.89,2 1.99,2L18,22c1.1,0 2,-0.9 2,-2L20,8.83c0,-0.53 -0.21,-1.04 -0.59,-1.41l-4.83,-4.83c-0.37,-0.38 -0.88,-0.59 -1.41,-0.59L6,2zM13,8L13,3.5L18.5,9L14,9c-0.55,0 -1,-0.45 -1,-1z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_last_page_24dp.xml b/app/src/main/res/drawable/ic_last_page_24dp.xml
new file mode 100644
index 0000000..4807df6
--- /dev/null
+++ b/app/src/main/res/drawable/ic_last_page_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="?attr/colorControlNormal"
+        android:pathData="M6.29,8.11L10.18,12l-3.89,3.89c-0.39,0.39 -0.39,1.02 0,1.41 0.39,0.39 1.02,0.39 1.41,0l4.59,-4.59c0.39,-0.39 0.39,-1.02 0,-1.41L7.7,6.7c-0.39,-0.39 -1.02,-0.39 -1.41,0 -0.38,0.39 -0.38,1.03 0,1.41zM17,6c0.55,0 1,0.45 1,1v10c0,0.55 -0.45,1 -1,1s-1,-0.45 -1,-1V7c0,-0.55 0.45,-1 1,-1z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_navigate_before_24dp.xml b/app/src/main/res/drawable/ic_navigate_before_24dp.xml
new file mode 100644
index 0000000..e233407
--- /dev/null
+++ b/app/src/main/res/drawable/ic_navigate_before_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="?attr/colorControlNormal"
+        android:pathData="M14.91,6.71c-0.39,-0.39 -1.02,-0.39 -1.41,0L8.91,11.3c-0.39,0.39 -0.39,1.02 0,1.41l4.59,4.59c0.39,0.39 1.02,0.39 1.41,0 0.39,-0.39 0.39,-1.02 0,-1.41L11.03,12l3.88,-3.88c0.38,-0.39 0.38,-1.03 0,-1.41z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_navigate_next_24dp.xml b/app/src/main/res/drawable/ic_navigate_next_24dp.xml
new file mode 100644
index 0000000..f7f29d6
--- /dev/null
+++ b/app/src/main/res/drawable/ic_navigate_next_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="?attr/colorControlNormal"
+        android:pathData="M9.31,6.71c-0.39,0.39 -0.39,1.02 0,1.41L13.19,12l-3.88,3.88c-0.39,0.39 -0.39,1.02 0,1.41 0.39,0.39 1.02,0.39 1.41,0l4.59,-4.59c0.39,-0.39 0.39,-1.02 0,-1.41L10.72,6.7c-0.38,-0.38 -1.02,-0.38 -1.41,0.01z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_pageview_24dp.xml b/app/src/main/res/drawable/ic_pageview_24dp.xml
new file mode 100644
index 0000000..8a3ce2d
--- /dev/null
+++ b/app/src/main/res/drawable/ic_pageview_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="?attr/colorControlNormal"
+        android:pathData="M11.5,9C10.12,9 9,10.12 9,11.5s1.12,2.5 2.5,2.5 2.5,-1.12 2.5,-2.5S12.88,9 11.5,9zM20,4L4,4c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h16c1.1,0 2,-0.9 2,-2L22,6c0,-1.1 -0.9,-2 -2,-2zM16.08,17.5l-2.2,-2.2c-0.9,0.58 -2.03,0.84 -3.22,0.62 -1.88,-0.35 -3.38,-1.93 -3.62,-3.83 -0.38,-3.01 2.18,-5.52 5.21,-5.04 1.88,0.3 3.39,1.84 3.7,3.71 0.19,1.16 -0.08,2.23 -0.64,3.12l2.2,2.19c0.39,0.39 0.39,1.03 0,1.42 -0.4,0.4 -1.04,0.4 -1.43,0.01z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_rotate_left_24dp.xml b/app/src/main/res/drawable/ic_rotate_left_24dp.xml
new file mode 100644
index 0000000..1777343
--- /dev/null
+++ b/app/src/main/res/drawable/ic_rotate_left_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="?attr/colorControlNormal"
+        android:pathData="M6.56,7.98C6.1,7.52 5.31,7.6 5,8.17c-0.28,0.51 -0.5,1.03 -0.67,1.58 -0.19,0.63 0.31,1.25 0.96,1.25h0.01c0.43,0 0.82,-0.28 0.94,-0.7 0.12,-0.4 0.28,-0.79 0.48,-1.17 0.22,-0.37 0.15,-0.84 -0.16,-1.15zM5.31,13h-0.02c-0.65,0 -1.15,0.62 -0.96,1.25 0.16,0.54 0.38,1.07 0.66,1.58 0.31,0.57 1.11,0.66 1.57,0.2 0.3,-0.31 0.38,-0.77 0.17,-1.15 -0.2,-0.37 -0.36,-0.76 -0.48,-1.16 -0.12,-0.44 -0.51,-0.72 -0.94,-0.72zM8.16,19.02c0.51,0.28 1.04,0.5 1.59,0.66 0.62,0.18 1.24,-0.32 1.24,-0.96v-0.03c0,-0.43 -0.28,-0.82 -0.7,-0.94 -0.4,-0.12 -0.78,-0.28 -1.15,-0.48 -0.38,-0.21 -0.86,-0.14 -1.16,0.17l-0.03,0.03c-0.45,0.45 -0.36,1.24 0.21,1.55zM13,4.07v-0.66c0,-0.89 -1.08,-1.34 -1.71,-0.71L9.17,4.83c-0.4,0.4 -0.4,1.04 0,1.43l2.13,2.08c0.63,0.62 1.7,0.17 1.7,-0.72L13,6.09c2.84,0.48 5,2.94 5,5.91 0,2.73 -1.82,5.02 -4.32,5.75 -0.41,0.12 -0.68,0.51 -0.68,0.94v0.02c0,0.65 0.61,1.14 1.23,0.96C17.57,18.71 20,15.64 20,12c0,-4.08 -3.05,-7.44 -7,-7.93z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_rotate_right_24dp.xml b/app/src/main/res/drawable/ic_rotate_right_24dp.xml
new file mode 100644
index 0000000..5b80f8e
--- /dev/null
+++ b/app/src/main/res/drawable/ic_rotate_right_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="?attr/colorControlNormal"
+        android:pathData="M14.83,4.83L12.7,2.7c-0.62,-0.62 -1.7,-0.18 -1.7,0.71v0.66C7.06,4.56 4,7.92 4,12c0,3.64 2.43,6.71 5.77,7.68 0.62,0.18 1.23,-0.32 1.23,-0.96v-0.03c0,-0.43 -0.27,-0.82 -0.68,-0.94C7.82,17.03 6,14.73 6,12c0,-2.97 2.16,-5.43 5,-5.91v1.53c0,0.89 1.07,1.33 1.7,0.71l2.13,-2.08c0.4,-0.38 0.4,-1.02 0,-1.42zM19.67,9.76c-0.16,-0.55 -0.38,-1.08 -0.66,-1.59 -0.31,-0.57 -1.1,-0.66 -1.56,-0.2l-0.01,0.01c-0.31,0.31 -0.38,0.78 -0.17,1.16 0.2,0.37 0.36,0.76 0.48,1.16 0.12,0.42 0.51,0.7 0.94,0.7h0.02c0.65,0 1.15,-0.62 0.96,-1.24zM13,18.68v0.02c0,0.65 0.62,1.14 1.24,0.96 0.55,-0.16 1.08,-0.38 1.59,-0.66 0.57,-0.31 0.66,-1.1 0.2,-1.56l-0.02,-0.02c-0.31,-0.31 -0.78,-0.38 -1.16,-0.17 -0.37,0.21 -0.76,0.37 -1.16,0.49 -0.41,0.12 -0.69,0.51 -0.69,0.94zM17.44,16.03c0.46,0.46 1.25,0.37 1.56,-0.2 0.28,-0.51 0.5,-1.04 0.67,-1.59 0.18,-0.62 -0.31,-1.24 -0.96,-1.24h-0.02c-0.44,0 -0.82,0.28 -0.94,0.7 -0.12,0.4 -0.28,0.79 -0.48,1.17 -0.21,0.38 -0.13,0.86 0.17,1.16z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_zoom_in_24dp.xml b/app/src/main/res/drawable/ic_zoom_in_24dp.xml
new file mode 100644
index 0000000..ab4ab2f
--- /dev/null
+++ b/app/src/main/res/drawable/ic_zoom_in_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="?attr/colorControlNormal"
+        android:pathData="M15.5,14h-0.79l-0.28,-0.27c1.2,-1.4 1.82,-3.31 1.48,-5.34 -0.47,-2.78 -2.79,-5 -5.59,-5.34 -4.23,-0.52 -7.78,3.04 -7.27,7.27 0.34,2.8 2.56,5.12 5.34,5.59 2.03,0.34 3.94,-0.28 5.34,-1.48l0.27,0.28v0.79l4.26,4.25c0.41,0.41 1.07,0.41 1.48,0l0.01,-0.01c0.41,-0.41 0.41,-1.07 0,-1.48L15.5,14zM9.5,14C7.01,14 5,11.99 5,9.5S7.01,5 9.5,5 14,7.01 14,9.5 11.99,14 9.5,14zM9.5,7c-0.28,0 -0.5,0.22 -0.5,0.5L9,9L7.5,9c-0.28,0 -0.5,0.22 -0.5,0.5s0.22,0.5 0.5,0.5L9,10v1.5c0,0.28 0.22,0.5 0.5,0.5s0.5,-0.22 0.5,-0.5L10,10h1.5c0.28,0 0.5,-0.22 0.5,-0.5s-0.22,-0.5 -0.5,-0.5L10,9L10,7.5c0,-0.28 -0.22,-0.5 -0.5,-0.5z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_zoom_out_24dp.xml b/app/src/main/res/drawable/ic_zoom_out_24dp.xml
new file mode 100644
index 0000000..aa7acf4
--- /dev/null
+++ b/app/src/main/res/drawable/ic_zoom_out_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="?attr/colorControlNormal"
+        android:pathData="M15.5,14h-0.79l-0.28,-0.27c1.2,-1.4 1.82,-3.31 1.48,-5.34 -0.47,-2.78 -2.79,-5 -5.59,-5.34 -4.23,-0.52 -7.79,3.04 -7.27,7.27 0.34,2.8 2.56,5.12 5.34,5.59 2.03,0.34 3.94,-0.28 5.34,-1.48l0.27,0.28v0.79l4.26,4.25c0.41,0.41 1.07,0.41 1.48,0l0.01,-0.01c0.41,-0.41 0.41,-1.07 0,-1.48L15.5,14zM9.5,14C7.01,14 5,11.99 5,9.5S7.01,5 9.5,5 14,7.01 14,9.5 11.99,14 9.5,14zM7.5,9h4c0.28,0 0.5,0.22 0.5,0.5s-0.22,0.5 -0.5,0.5h-4c-0.28,0 -0.5,-0.22 -0.5,-0.5s0.22,-0.5 0.5,-0.5z" />
+</vector>
diff --git a/app/src/main/res/menu/pdf_viewer.xml b/app/src/main/res/menu/pdf_viewer.xml
index e1cc94d..e72fcbd 100644
--- a/app/src/main/res/menu/pdf_viewer.xml
+++ b/app/src/main/res/menu/pdf_viewer.xml
@@ -9,61 +9,61 @@
 
     <item
         android:id="@+id/action_previous"
-        android:icon="@drawable/ic_navigate_before_white_24dp"
+        android:icon="@drawable/ic_navigate_before_24dp"
         android:title="@string/action_previous"
         app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/action_next"
-        android:icon="@drawable/ic_navigate_next_white_24dp"
+        android:icon="@drawable/ic_navigate_next_24dp"
         android:title="@string/action_next"
         app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/action_open"
-        android:icon="@drawable/ic_insert_drive_file_white_24dp"
+        android:icon="@drawable/ic_insert_drive_file_24dp"
         android:title="@string/action_open"
         app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/action_zoom_out"
-        android:icon="@drawable/ic_zoom_out_white_24dp"
+        android:icon="@drawable/ic_zoom_out_24dp"
         android:title="@string/action_zoom_out"
         app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/action_zoom_in"
-        android:icon="@drawable/ic_zoom_in_white_24dp"
+        android:icon="@drawable/ic_zoom_in_24dp"
         android:title="@string/action_zoom_in"
         app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/action_first"
-        android:icon="@drawable/baseline_first_page_24"
+        android:icon="@drawable/ic_first_page_24dp"
         android:title="@string/action_first"
         app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/action_last"
-        android:icon="@drawable/baseline_last_page_24"
+        android:icon="@drawable/ic_last_page_24dp"
         android:title="@string/action_last"
         app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/action_jump_to_page"
-        android:icon="@drawable/ic_pageview_white_24dp"
+        android:icon="@drawable/ic_pageview_24dp"
         android:title="@string/action_jump_to_page"
         app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/action_rotate_clockwise"
-        android:icon="@drawable/ic_rotate_right_white_24dp"
+        android:icon="@drawable/ic_rotate_right_24dp"
         android:title="@string/action_rotate_clockwise"
         app:showAsAction="ifRoom" />
 
     <item
         android:id="@+id/action_rotate_counterclockwise"
-        android:icon="@drawable/ic_rotate_left_white_24dp"
+        android:icon="@drawable/ic_rotate_left_24dp"
         android:title="@string/action_rotate_counterclockwise"
         app:showAsAction="ifRoom" />