diff --git a/res/drawable-hdpi-finger/ic_btn_round_less.png b/res/drawable-hdpi-finger/ic_btn_round_less.png
index 819440e..21a8eff 100644
--- a/res/drawable-hdpi-finger/ic_btn_round_less.png
+++ b/res/drawable-hdpi-finger/ic_btn_round_less.png
Binary files differ
diff --git a/res/drawable-hdpi-finger/ic_btn_round_more.png b/res/drawable-hdpi-finger/ic_btn_round_more.png
index 9883d55..bf91bef 100755
--- a/res/drawable-hdpi-finger/ic_btn_round_more.png
+++ b/res/drawable-hdpi-finger/ic_btn_round_more.png
Binary files differ
diff --git a/res/drawable-mdpi-finger/ic_btn_round_less.png b/res/drawable-mdpi-finger/ic_btn_round_less.png
index a9b5bed..96fc42e 100644
--- a/res/drawable-mdpi-finger/ic_btn_round_less.png
+++ b/res/drawable-mdpi-finger/ic_btn_round_less.png
Binary files differ
diff --git a/res/drawable-mdpi-finger/ic_btn_round_more.png b/res/drawable-mdpi-finger/ic_btn_round_more.png
index ebdc55c..e3355cc 100644
--- a/res/drawable-mdpi-finger/ic_btn_round_more.png
+++ b/res/drawable-mdpi-finger/ic_btn_round_more.png
Binary files differ