diff --git a/static/grade1.png b/static/grade1.png
index 0bc246d..d0a0b6e 100644
Binary files a/static/grade1.png and b/static/grade1.png differ
diff --git a/static/grade2.png b/static/grade2.png
index 2440311..fcdf9de 100644
Binary files a/static/grade2.png and b/static/grade2.png differ
diff --git a/static/grade3.png b/static/grade3.png
index fc970c8..8210bbf 100644
Binary files a/static/grade3.png and b/static/grade3.png differ