2 files changed, 19 insertions, 2 deletions

diff --git a/inc/html.inc.php b/inc/html.inc.php
index 117d61d..161af73 100644
--- a/inc/html.inc.php
+++ b/inc/html.inc.php
@@ -58,7 +58,7 @@ EOT;
 
         if(!function_exists('json_decode')) {
                 echo <<<EOT
-<div id="warnheader">
+<div class="warnheader">
         Your php version doesn't support <a href="http://php.net/json">JSON</a>. Your graphs would have looked more beautiful if it did.
 </div>
 
@@ -66,6 +66,17 @@ EOT;
 
         }
 
+        if($CONFIG['version'] == 4) {
+                echo <<<EOT
+<div class="warnheader">
+        You are using Collectd 4, which is deprecated by CGP. Graphs like
+        <code>df</code> and <code>interfaces</code> may be incomplete.
+</div>
+
+EOT;
+
+        }
+
 echo <<<EOT
 <div id="content">
 
diff --git a/layout/style.css b/layout/style.css
index e344cf7..19ec77e 100644
--- a/layout/style.css
+++ b/layout/style.css
@@ -15,7 +15,7 @@ body {
         text-decoration: none;
 }
 
-#warnheader {
+.warnheader {
         background: #ffe583;
         padding: 8px 8px 8px 18px;
         border-bottom: 1px solid #d5ad14;
@@ -155,3 +155,9 @@ legend {
         font-weight: normal;
         text-shadow: 0 0 1px red;
 }
+
+code {
+        font-family: Consolas,"Liberation Mono",Menlo,Courier,monospace;
+        background-color: rgba(0,0,0,0.1);
+        padding: 0 0.2em;
+}