diff --git a/pppad-skin/images/fig2b152x152.png b/pppad-skin/images/fig2b152x152.png
new file mode 100644
index 0000000..51cea00
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diff --git a/pppad-skin/images/fig2b180x180.png b/pppad-skin/images/fig2b180x180.png
new file mode 100644
index 0000000..71bb4f9
Binary files /dev/null and b/pppad-skin/images/fig2b180x180.png differ
diff --git a/pppad-skin/images/fig2b64x64.png b/pppad-skin/images/fig2b64x64.png
new file mode 100644
index 0000000..3e39b18
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diff --git a/pppad-skin/images/le-fond.png b/pppad-skin/images/le-fond.png
index abeaa63..a2c1a0d 100644
Binary files a/pppad-skin/images/le-fond.png and b/pppad-skin/images/le-fond.png differ
diff --git a/pppad-skin/index.css b/pppad-skin/index.css
index e3f9686..9b4d323 100644
--- a/pppad-skin/index.css
+++ b/pppad-skin/index.css
@@ -51,7 +51,7 @@ input {
   text-shadow: none;
   font-size: 23px;
   line-height: 1.8;
-  color: #6c02fd;
+  color: #8443fc;
   background: #585d6a;
   border-radius: 3px;
   box-shadow: none;
@@ -65,7 +65,7 @@ button[type=submit] {
   border-top-right-radius: 3px;
   border-bottom-right-radius: 3px;
   left: 305px;
-  color: #6c02fd;
+  color: #8443fc;
   background: #585d6a;
   border: none;
   top: 0;
@@ -76,8 +76,8 @@ button[type=submit] {
 #button:hover,
 button[type=submit]:hover {
   cursor: pointer;
-  background: #585d6a;
-  color: #6c02fd;
+  background: #696f7e;
+  color: #8443fc;
 }
 
 #padname {
diff --git a/pppad-skin/pad.css b/pppad-skin/pad.css
index a12bec3..d13b717 100644
--- a/pppad-skin/pad.css
+++ b/pppad-skin/pad.css
@@ -34,7 +34,7 @@
   --super-dark-color: #485365; /*#374256;*/
   --dark-color: #576273; /*#4d5d77*/
 
-  --primary-color: #64d29b;
+  --primary-color: #8443fc; /* pppad primary colour */
   --middle-color: #d2d2d2; /* kind of grey, use for border for examples */
 
   --light-color: #f2f3f4; /*#f9f9f9;*/