diff --git a/README.md b/README.md
index f5244a7..df716cc 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,7 @@ logic mostly like https://git.crispypin.cc/CrispyPin/marble
 - show level info in editor
 - comments
 - accessibility
+  - ui scaling
   - background colour setting
   - hotkeys for everything
 - more levels
diff --git a/assets/tiles/add_off.png b/assets/tiles/add_off.png
index 815c269..0b4b651 100644
Binary files a/assets/tiles/add_off.png and b/assets/tiles/add_off.png differ
diff --git a/assets/tiles/add_on.png b/assets/tiles/add_on.png
index 142c903..7602f56 100644
Binary files a/assets/tiles/add_on.png and b/assets/tiles/add_on.png differ
diff --git a/assets/tiles/div_off.png b/assets/tiles/div_off.png
index 8f6d476..a12e71b 100644
Binary files a/assets/tiles/div_off.png and b/assets/tiles/div_off.png differ
diff --git a/assets/tiles/div_on.png b/assets/tiles/div_on.png
index 5dafe76..dafdcc7 100644
Binary files a/assets/tiles/div_on.png and b/assets/tiles/div_on.png differ
diff --git a/assets/tiles/mul_off.png b/assets/tiles/mul_off.png
index 9ba0b1d..a192e80 100644
Binary files a/assets/tiles/mul_off.png and b/assets/tiles/mul_off.png differ
diff --git a/assets/tiles/mul_on.png b/assets/tiles/mul_on.png
index 845b266..cac5471 100644
Binary files a/assets/tiles/mul_on.png and b/assets/tiles/mul_on.png differ
diff --git a/assets/tiles/rem_off.png b/assets/tiles/rem_off.png
index 88ac5b0..ebed6be 100644
Binary files a/assets/tiles/rem_off.png and b/assets/tiles/rem_off.png differ
diff --git a/assets/tiles/rem_on.png b/assets/tiles/rem_on.png
index fd18756..3bf501a 100644
Binary files a/assets/tiles/rem_on.png and b/assets/tiles/rem_on.png differ
diff --git a/assets/tiles/sub_off.png b/assets/tiles/sub_off.png
index 9cbfeea..ae3c9e5 100644
Binary files a/assets/tiles/sub_off.png and b/assets/tiles/sub_off.png differ
diff --git a/assets/tiles/sub_on.png b/assets/tiles/sub_on.png
index 8432992..11c2e81 100644
Binary files a/assets/tiles/sub_on.png and b/assets/tiles/sub_on.png differ