diff --git a/Layout/default/header.php b/Layout/default/header.php
index 8108d3122..5acdab91c 100644
--- a/Layout/default/header.php
+++ b/Layout/default/header.php
@@ -14,6 +14,7 @@
         <link href="<?=self::getResourcePath()?>assets/css/bootstrap.min.css" rel="stylesheet" type="text/css" />
         <link href="<?=self::getResourcePath()?>assets/css/icons.min.css" rel="stylesheet" type="text/css" />
         <link href="<?=self::getResourcePath()?>assets/css/app.min.css" rel="stylesheet" type="text/css" />
+        <link href="<?=self::getResourcePath()?>assets/css/thetool.css" rel="stylesheet" type="text/css" />
 
     </head>
 
diff --git a/public/assets/css/thetool.css b/public/assets/css/thetool.css
new file mode 100644
index 000000000..a63f402a6
--- /dev/null
+++ b/public/assets/css/thetool.css
@@ -0,0 +1,3 @@
+#topnav {
+  background-color: #38414a;
+}
\ No newline at end of file