diff --git a/docs/CSSstyle.css b/docs/CSSstyle.css
index f05be92..3b376fa 100644
--- a/docs/CSSstyle.css
+++ b/docs/CSSstyle.css
@@ -5,7 +5,7 @@ body {
       font-family: arial, helvetica, sans-serif; 
       padding:15px; 
       line-height:2em;
-      background-image: url('Images/Background3.jpg');
+      background-image: url('Images/Background4.jpg');
       border: 1px solid black
       
       
diff --git a/docs/Images/Background4.jpg b/docs/Images/Background4.jpg
new file mode 100644
index 0000000..6c1ed8a
Binary files /dev/null and b/docs/Images/Background4.jpg differ