diff --git a/lcci/16.20.T9/images/17_telephone_keypad.png b/lcci/16.20.T9/images/17_telephone_keypad.png
index 4050bc876dbf4..ba8fb0c9a03c2 100644
Binary files a/lcci/16.20.T9/images/17_telephone_keypad.png and b/lcci/16.20.T9/images/17_telephone_keypad.png differ
diff --git a/solution/0000-0099/0017.Letter Combinations of a Phone Number/images/17_telephone_keypad.png b/solution/0000-0099/0017.Letter Combinations of a Phone Number/images/17_telephone_keypad.png
index 4050bc876dbf4..ba8fb0c9a03c2 100644
Binary files a/solution/0000-0099/0017.Letter Combinations of a Phone Number/images/17_telephone_keypad.png and b/solution/0000-0099/0017.Letter Combinations of a Phone Number/images/17_telephone_keypad.png differ
diff --git a/solution/0000-0099/0051.N-Queens/images/8-queens.png b/solution/0000-0099/0051.N-Queens/images/8-queens.png
index 1be6b68e46328..c75d9ccdf74eb 100644
Binary files a/solution/0000-0099/0051.N-Queens/images/8-queens.png and b/solution/0000-0099/0051.N-Queens/images/8-queens.png differ
diff --git a/solution/0000-0099/0052.N-Queens II/images/8-queens.png b/solution/0000-0099/0052.N-Queens II/images/8-queens.png
index 1be6b68e46328..c75d9ccdf74eb 100644
Binary files a/solution/0000-0099/0052.N-Queens II/images/8-queens.png and b/solution/0000-0099/0052.N-Queens II/images/8-queens.png differ
diff --git a/solution/0000-0099/0062.Unique Paths/images/robot_maze.png b/solution/0000-0099/0062.Unique Paths/images/robot_maze.png
index ebcd2dce41643..e1aa28362c8cf 100644
Binary files a/solution/0000-0099/0062.Unique Paths/images/robot_maze.png and b/solution/0000-0099/0062.Unique Paths/images/robot_maze.png differ
diff --git a/solution/0000-0099/0063.Unique Paths II/images/robot_maze.png b/solution/0000-0099/0063.Unique Paths II/images/robot_maze.png
index ebcd2dce41643..e1aa28362c8cf 100644
Binary files a/solution/0000-0099/0063.Unique Paths II/images/robot_maze.png and b/solution/0000-0099/0063.Unique Paths II/images/robot_maze.png differ
diff --git a/solution/0100-0199/0116.Populating Next Right Pointers in Each Node/images/116_sample.png b/solution/0100-0199/0116.Populating Next Right Pointers in Each Node/images/116_sample.png
index 263393fbd208a..fb094a4cc6d41 100644
Binary files a/solution/0100-0199/0116.Populating Next Right Pointers in Each Node/images/116_sample.png and b/solution/0100-0199/0116.Populating Next Right Pointers in Each Node/images/116_sample.png differ
diff --git a/solution/0100-0199/0117.Populating Next Right Pointers in Each Node II/images/117_sample.png b/solution/0100-0199/0117.Populating Next Right Pointers in Each Node II/images/117_sample.png
index 17aa3592e474c..489b79238cce4 100644
Binary files a/solution/0100-0199/0117.Populating Next Right Pointers in Each Node II/images/117_sample.png and b/solution/0100-0199/0117.Populating Next Right Pointers in Each Node II/images/117_sample.png differ
diff --git a/solution/0100-0199/0133.Clone Graph/images/133_clone_graph_question.png b/solution/0100-0199/0133.Clone Graph/images/133_clone_graph_question.png
index b8ddb4a5313de..d4627a5022882 100644
Binary files a/solution/0100-0199/0133.Clone Graph/images/133_clone_graph_question.png and b/solution/0100-0199/0133.Clone Graph/images/133_clone_graph_question.png differ
diff --git a/solution/0100-0199/0133.Clone Graph/images/graph-1.png b/solution/0100-0199/0133.Clone Graph/images/graph-1.png
index c87f1a91c1bcd..d332f37704d8c 100644
Binary files a/solution/0100-0199/0133.Clone Graph/images/graph-1.png and b/solution/0100-0199/0133.Clone Graph/images/graph-1.png differ
diff --git a/solution/0100-0199/0133.Clone Graph/images/graph.png b/solution/0100-0199/0133.Clone Graph/images/graph.png
index 1c95071881deb..92c9c5dbb8e1d 100644
Binary files a/solution/0100-0199/0133.Clone Graph/images/graph.png and b/solution/0100-0199/0133.Clone Graph/images/graph.png differ
diff --git a/solution/0100-0199/0138.Copy List with Random Pointer/images/e1.png b/solution/0100-0199/0138.Copy List with Random Pointer/images/e1.png
index 7afabbbdc1224..859dcb0f89888 100644
Binary files a/solution/0100-0199/0138.Copy List with Random Pointer/images/e1.png and b/solution/0100-0199/0138.Copy List with Random Pointer/images/e1.png differ
diff --git a/solution/0100-0199/0138.Copy List with Random Pointer/images/e2.png b/solution/0100-0199/0138.Copy List with Random Pointer/images/e2.png
index b0d1edfbcbe9d..efe6c807bb60d 100644
Binary files a/solution/0100-0199/0138.Copy List with Random Pointer/images/e2.png and b/solution/0100-0199/0138.Copy List with Random Pointer/images/e2.png differ
diff --git a/solution/0100-0199/0138.Copy List with Random Pointer/images/e3.png b/solution/0100-0199/0138.Copy List with Random Pointer/images/e3.png
index 14d6dd4e2fe3d..8a336510806f3 100644
Binary files a/solution/0100-0199/0138.Copy List with Random Pointer/images/e3.png and b/solution/0100-0199/0138.Copy List with Random Pointer/images/e3.png differ
diff --git a/solution/0100-0199/0160.Intersection of Two Linked Lists/images/160_example_1.png b/solution/0100-0199/0160.Intersection of Two Linked Lists/images/160_example_1.png
index 2021a524a2b78..e49922088676d 100644
Binary files a/solution/0100-0199/0160.Intersection of Two Linked Lists/images/160_example_1.png and b/solution/0100-0199/0160.Intersection of Two Linked Lists/images/160_example_1.png differ
diff --git a/solution/0100-0199/0160.Intersection of Two Linked Lists/images/160_example_2.png b/solution/0100-0199/0160.Intersection of Two Linked Lists/images/160_example_2.png
index 4432fec7ce769..2cfe7e0302529 100644
Binary files a/solution/0100-0199/0160.Intersection of Two Linked Lists/images/160_example_2.png and b/solution/0100-0199/0160.Intersection of Two Linked Lists/images/160_example_2.png differ
diff --git a/solution/0100-0199/0160.Intersection of Two Linked Lists/images/160_example_3.png b/solution/0100-0199/0160.Intersection of Two Linked Lists/images/160_example_3.png
index eea0631193233..98b1ebfee271e 100644
Binary files a/solution/0100-0199/0160.Intersection of Two Linked Lists/images/160_example_3.png and b/solution/0100-0199/0160.Intersection of Two Linked Lists/images/160_example_3.png differ
diff --git a/solution/0100-0199/0160.Intersection of Two Linked Lists/images/160_statement.png b/solution/0100-0199/0160.Intersection of Two Linked Lists/images/160_statement.png
index 55870e30254e6..8baa8c5538258 100644
Binary files a/solution/0100-0199/0160.Intersection of Two Linked Lists/images/160_statement.png and b/solution/0100-0199/0160.Intersection of Two Linked Lists/images/160_statement.png differ
diff --git a/solution/0200-0299/0218.The Skyline Problem/images/skyline1.png b/solution/0200-0299/0218.The Skyline Problem/images/skyline1.png
index 21a63ab008b76..0554e8305479e 100644
Binary files a/solution/0200-0299/0218.The Skyline Problem/images/skyline1.png and b/solution/0200-0299/0218.The Skyline Problem/images/skyline1.png differ
diff --git a/solution/0200-0299/0218.The Skyline Problem/images/skyline2.png b/solution/0200-0299/0218.The Skyline Problem/images/skyline2.png
index 54effe777dc70..a4ded65288743 100644
Binary files a/solution/0200-0299/0218.The Skyline Problem/images/skyline2.png and b/solution/0200-0299/0218.The Skyline Problem/images/skyline2.png differ
diff --git a/solution/0200-0299/0223.Rectangle Area/images/rectangle_area.png b/solution/0200-0299/0223.Rectangle Area/images/rectangle_area.png
index 2fbf05b40f34f..a519a104bba19 100644
Binary files a/solution/0200-0299/0223.Rectangle Area/images/rectangle_area.png and b/solution/0200-0299/0223.Rectangle Area/images/rectangle_area.png differ
diff --git a/solution/0200-0299/0235.Lowest Common Ancestor of a Binary Search Tree/images/binarysearchtree_improved.png b/solution/0200-0299/0235.Lowest Common Ancestor of a Binary Search Tree/images/binarysearchtree_improved.png
index 2035831d09342..bede08372fbce 100644
Binary files a/solution/0200-0299/0235.Lowest Common Ancestor of a Binary Search Tree/images/binarysearchtree_improved.png and b/solution/0200-0299/0235.Lowest Common Ancestor of a Binary Search Tree/images/binarysearchtree_improved.png differ
diff --git a/solution/0200-0299/0236.Lowest Common Ancestor of a Binary Tree/images/binarytree.png b/solution/0200-0299/0236.Lowest Common Ancestor of a Binary Tree/images/binarytree.png
index 04be42ec20c54..06323f17bdb73 100644
Binary files a/solution/0200-0299/0236.Lowest Common Ancestor of a Binary Tree/images/binarytree.png and b/solution/0200-0299/0236.Lowest Common Ancestor of a Binary Tree/images/binarytree.png differ
diff --git a/solution/0300-0399/0304.Range Sum Query 2D - Immutable/images/304.png b/solution/0300-0399/0304.Range Sum Query 2D - Immutable/images/304.png
index 2dce2b82ad788..7d215764407ec 100644
Binary files a/solution/0300-0399/0304.Range Sum Query 2D - Immutable/images/304.png and b/solution/0300-0399/0304.Range Sum Query 2D - Immutable/images/304.png differ
diff --git a/solution/0400-0499/0407.Trapping Rain Water II/images/rainwater_empty.png b/solution/0400-0499/0407.Trapping Rain Water II/images/rainwater_empty.png
index 3cf4fb470d371..a390a9ec53b56 100644
Binary files a/solution/0400-0499/0407.Trapping Rain Water II/images/rainwater_empty.png and b/solution/0400-0499/0407.Trapping Rain Water II/images/rainwater_empty.png differ
diff --git a/solution/0400-0499/0407.Trapping Rain Water II/images/rainwater_fill.png b/solution/0400-0499/0407.Trapping Rain Water II/images/rainwater_fill.png
index 7fa21e93a8c13..7d9dd36ea94fe 100644
Binary files a/solution/0400-0499/0407.Trapping Rain Water II/images/rainwater_fill.png and b/solution/0400-0499/0407.Trapping Rain Water II/images/rainwater_fill.png differ
diff --git a/solution/0400-0499/0429.N-ary Tree Level Order Traversal/images/narytreeexample.png b/solution/0400-0499/0429.N-ary Tree Level Order Traversal/images/narytreeexample.png
index d28c543c8000b..8f8544cf520e7 100644
Binary files a/solution/0400-0499/0429.N-ary Tree Level Order Traversal/images/narytreeexample.png and b/solution/0400-0499/0429.N-ary Tree Level Order Traversal/images/narytreeexample.png differ
diff --git a/solution/0400-0499/0429.N-ary Tree Level Order Traversal/images/sample_4_964.png b/solution/0400-0499/0429.N-ary Tree Level Order Traversal/images/sample_4_964.png
index f4347c7666802..93cad1b012c25 100644
Binary files a/solution/0400-0499/0429.N-ary Tree Level Order Traversal/images/sample_4_964.png and b/solution/0400-0499/0429.N-ary Tree Level Order Traversal/images/sample_4_964.png differ
diff --git a/solution/0400-0499/0430.Flatten a Multilevel Doubly Linked List/images/multilevellinkedlist.png b/solution/0400-0499/0430.Flatten a Multilevel Doubly Linked List/images/multilevellinkedlist.png
index 1c85ede1add90..b84d1c42674da 100644
Binary files a/solution/0400-0499/0430.Flatten a Multilevel Doubly Linked List/images/multilevellinkedlist.png and b/solution/0400-0499/0430.Flatten a Multilevel Doubly Linked List/images/multilevellinkedlist.png differ
diff --git a/solution/0400-0499/0430.Flatten a Multilevel Doubly Linked List/images/multilevellinkedlistflattened.png b/solution/0400-0499/0430.Flatten a Multilevel Doubly Linked List/images/multilevellinkedlistflattened.png
index d16bd31ec91a8..0cb972d5993fb 100644
Binary files a/solution/0400-0499/0430.Flatten a Multilevel Doubly Linked List/images/multilevellinkedlistflattened.png and b/solution/0400-0499/0430.Flatten a Multilevel Doubly Linked List/images/multilevellinkedlistflattened.png differ