diff --git a/public/index.php b/public/index.php
index f6d2c23..bafc8aa 100644
--- a/public/index.php
+++ b/public/index.php
@@ -19,6 +19,19 @@ require_once __DIR__ . "/../lib/required_public.php";
 <link href="../static/css/material-color/material-color.min.css" rel="stylesheet">
 <link href="../static/css/fontawesome-all.min.css" rel="stylesheet">
 
+<?php
+// Allow setting the page background to match the style of a parent frame
+if (isset($_GET["backgroundcolor"]) && !empty($_GET["backgroundcolor"]) && preg_match("/^[a-z0-9#\-]+$/i", $_GET["backgroundcolor"])) {
+    ?>
+    <style>
+        html,body {
+            background-color: <?php echo $_GET["backgroundcolor"]; ?>
+        }
+    </style>
+    <?php
+}
+?>
+
 <div class="container mt-4">
     <div class="row justify-content-center">
         <div class="col-12 col-md-8">
@@ -51,7 +64,7 @@ require_once __DIR__ . "/../lib/required_public.php";
                 <?php
             } else {
                 if (Machine::exists($_GET["id"])) {
-                $machine = new Machine($_GET['id']);
+                    $machine = new Machine($_GET['id']);
                 } else {
                     $machine = new Machine(Machine::getIDFromSerial($_GET['id']));
                 }
@@ -224,16 +237,17 @@ require_once __DIR__ . "/../lib/required_public.php";
                             ?>
                         </div>
                     </div>
-
-                    <div class="card-body">
-                        <p>
-                            Look up another machine:
-                        </p>
-                        <form method="GET">
-                            <input type="text" name="id" class="form-control" placeholder="Machine ID Number" required />
-                            <button type="submit" class="btn btn-primary btn-block mt-2">Get Info</button>
-                        </form>
-                    </div>
+                    <?php /* Hide this box if we're embedded in another page */ if (!defined($_GET["embed"])) { ?>
+                        <div class="card-body">
+                            <p>
+                                Look up another machine:
+                            </p>
+                            <form method="GET">
+                                <input type="text" name="id" class="form-control" placeholder="Machine ID Number" required />
+                                <button type="submit" class="btn btn-primary btn-block mt-2">Get Info</button>
+                            </form>
+                        </div>
+                    <?php } ?>
                 </div>
                 <?php
             }