diff --git a/img/header.png b/img/header.png
index 7c56ad6..d45a0e4 100644
Binary files a/img/header.png and b/img/header.png differ
diff --git a/img/special-issue-2.jpg b/img/special-issue-2.jpg
index f6555a4..5cbc403 100644
Binary files a/img/special-issue-2.jpg and b/img/special-issue-2.jpg differ
diff --git a/img/special-issue-3.png b/img/special-issue-3.png
index 91fe7c5..86b02bb 100644
Binary files a/img/special-issue-3.png and b/img/special-issue-3.png differ
diff --git a/img/special-issue-4-alternative.png b/img/special-issue-4-alternative.png
index 11c6913..bbef043 100644
Binary files a/img/special-issue-4-alternative.png and b/img/special-issue-4-alternative.png differ
diff --git a/img/special-issue-4.png b/img/special-issue-4.png
index 3c7b5e0..212a0a3 100644
Binary files a/img/special-issue-4.png and b/img/special-issue-4.png differ