diff --git a/img/img1.png b/img/img1.png
index 8c21b75..cf6cb3a 100644
Binary files a/img/img1.png and b/img/img1.png differ
diff --git a/img/img2.png b/img/img2.png
index fa98f3a..172612a 100644
Binary files a/img/img2.png and b/img/img2.png differ
diff --git a/img/img3.png b/img/img3.png
index d27ffd5..c08b0bf 100644
Binary files a/img/img3.png and b/img/img3.png differ
diff --git a/img/img4.png b/img/img4.png
index 0dd917b..1fc7f35 100644
Binary files a/img/img4.png and b/img/img4.png differ