diff --git a/static/grade1.gif b/static/grade1.gif index 6e42b89..a8a79ca 100644 Binary files a/static/grade1.gif and b/static/grade1.gif differ diff --git a/static/grade2.gif b/static/grade2.gif index 6baf69c..4a95c06 100644 Binary files a/static/grade2.gif and b/static/grade2.gif differ diff --git a/static/grade3.gif b/static/grade3.gif index cfb2db2..7e04dfe 100644 Binary files a/static/grade3.gif and b/static/grade3.gif differ