fixes 1.4.11a (contrast of blue buttons)

ckanext/odsh/public/odsh.css

@@ -1061,7 +1061,7 @@ input#field-username {
 .slug-preview .btn.btn-mini,
 .btn.btn-primary{
     background-image: none;
-    background-color: #0089ca;
+    background-color: #003064;
     border: none;
     border-radius: 0;
     font-size:18px;