diff --git a/images/a2-charset-40.png b/images/a2-charset-40.png
index b7cbf34..e3d177b 100644
Binary files a/images/a2-charset-40.png and b/images/a2-charset-40.png differ
diff --git a/images/a2-charset-40@2x.png b/images/a2-charset-40@2x.png
index 33ed792..c00f3d7 100644
Binary files a/images/a2-charset-40@2x.png and b/images/a2-charset-40@2x.png differ
diff --git a/images/a2-charset-80.png b/images/a2-charset-80.png
index c37c8d5..1f1b6b2 100644
Binary files a/images/a2-charset-80.png and b/images/a2-charset-80.png differ
diff --git a/images/a2-charset-80@2x.png b/images/a2-charset-80@2x.png
index e935eb9..32d6380 100644
Binary files a/images/a2-charset-80@2x.png and b/images/a2-charset-80@2x.png differ
diff --git a/images/vt100-charset.png b/images/vt100-charset.png
index fba9a90..64e5ee9 100644
Binary files a/images/vt100-charset.png and b/images/vt100-charset.png differ
diff --git a/images/vt100-charset@2x.png b/images/vt100-charset@2x.png
index 00e5d6f..4eb673c 100644
Binary files a/images/vt100-charset@2x.png and b/images/vt100-charset@2x.png differ
diff --git a/images/vt52-charset.png b/images/vt52-charset.png
index 2e109a5..3c4bd95 100644
Binary files a/images/vt52-charset.png and b/images/vt52-charset.png differ
diff --git a/images/vt52-charset@2x.png b/images/vt52-charset@2x.png
index 0df4cf0..c60b716 100644
Binary files a/images/vt52-charset@2x.png and b/images/vt52-charset@2x.png differ