diff --git a/public/images/ACROSS-3@3x.png b/public/images/ACROSS-3@3x.png index a1e4270..8d47263 100644 Binary files a/public/images/ACROSS-3@3x.png and b/public/images/ACROSS-3@3x.png differ diff --git a/public/images/drag-and-drop-number.gif b/public/images/drag-and-drop-number.gif index 0a472db..b13ad6e 100644 Binary files a/public/images/drag-and-drop-number.gif and b/public/images/drag-and-drop-number.gif differ diff --git a/public/images/ird.png b/public/images/ird.png index 352d7d9..27b1dda 100644 Binary files a/public/images/ird.png and b/public/images/ird.png differ diff --git a/public/images/simple.png b/public/images/simple.png index 3b62cb6..1301450 100644 Binary files a/public/images/simple.png and b/public/images/simple.png differ