diff --git a/static/c4.css b/static/c4.css
index 3293b31..7e9d5e0 100644
--- a/static/c4.css
+++ b/static/c4.css
@@ -28,17 +28,27 @@ h1, h1 a  {
 }
 
 .btn.primary {
-    color: #020;
-    background-color: #6f3;
+    color: #220;
+    background-color: #fcbb06;
 }
 
 .btn.primary:hover ,.btn.primary:focus {
+    background-color: #ffcc33;
+}
+
+.btn.grn {
+    color: #020;
+    background-color: #9f6;
+}
+
+.btn.grn:hover ,.btn.primary:focus {
     background-color: #3f0;
 }
 
+
 .btn.red {
     color: #200;
-    background-color: #f36;
+    background-color: #f48;
 }
 
 .btn.red:hover, .btn.red:focus {
diff --git a/static/index.html b/static/index.html
index 472846b..c656402 100644
--- a/static/index.html
+++ b/static/index.html
@@ -38,7 +38,7 @@
           </div>
         </template>
       </div>
-      <a href="form.html" class="btn green">+</a>
+      <a href="form.html" class="btn primary">+</a>
     </div>
   </body>
 </html>