diff --git a/app/src/main/res/drawable-hdpi/gerbil_happy.png b/app/src/main/res/drawable-hdpi/gerbil_happy.png
index 4247f831..40657e7d 100644
Binary files a/app/src/main/res/drawable-hdpi/gerbil_happy.png and b/app/src/main/res/drawable-hdpi/gerbil_happy.png differ
diff --git a/app/src/main/res/drawable-hdpi/gerbil_sad.png b/app/src/main/res/drawable-hdpi/gerbil_sad.png
index 153d4adf..fb7f0d71 100644
Binary files a/app/src/main/res/drawable-hdpi/gerbil_sad.png and b/app/src/main/res/drawable-hdpi/gerbil_sad.png differ
diff --git a/app/src/main/res/drawable-mdpi/gerbil_happy.png b/app/src/main/res/drawable-mdpi/gerbil_happy.png
index 4247f831..40657e7d 100644
Binary files a/app/src/main/res/drawable-mdpi/gerbil_happy.png and b/app/src/main/res/drawable-mdpi/gerbil_happy.png differ
diff --git a/app/src/main/res/drawable-mdpi/gerbil_sad.png b/app/src/main/res/drawable-mdpi/gerbil_sad.png
index 153d4adf..fb7f0d71 100644
Binary files a/app/src/main/res/drawable-mdpi/gerbil_sad.png and b/app/src/main/res/drawable-mdpi/gerbil_sad.png differ
diff --git a/app/src/main/res/drawable-xhdpi/gerbil_happy.png b/app/src/main/res/drawable-xhdpi/gerbil_happy.png
index 4247f831..40657e7d 100644
Binary files a/app/src/main/res/drawable-xhdpi/gerbil_happy.png and b/app/src/main/res/drawable-xhdpi/gerbil_happy.png differ
diff --git a/app/src/main/res/drawable-xhdpi/gerbil_sad.png b/app/src/main/res/drawable-xhdpi/gerbil_sad.png
index 153d4adf..fb7f0d71 100644
Binary files a/app/src/main/res/drawable-xhdpi/gerbil_sad.png and b/app/src/main/res/drawable-xhdpi/gerbil_sad.png differ
diff --git a/app/src/main/res/drawable-xxhdpi/gerbil_happy.png b/app/src/main/res/drawable-xxhdpi/gerbil_happy.png
index 4247f831..40657e7d 100644
Binary files a/app/src/main/res/drawable-xxhdpi/gerbil_happy.png and b/app/src/main/res/drawable-xxhdpi/gerbil_happy.png differ
diff --git a/app/src/main/res/drawable-xxhdpi/gerbil_sad.png b/app/src/main/res/drawable-xxhdpi/gerbil_sad.png
index 153d4adf..fb7f0d71 100644
Binary files a/app/src/main/res/drawable-xxhdpi/gerbil_sad.png and b/app/src/main/res/drawable-xxhdpi/gerbil_sad.png differ