diff --git a/src/preview.html b/src/preview.html
index 777c33f..7e1cb27 100644
--- a/src/preview.html
+++ b/src/preview.html
@@ -1,8 +1,22 @@
-<link rel="stylesheet" href="style.css">
+<style>
+	body {
+		margin: 0;
+	}
+	#demo-frame {
+		border: 0;
+		width: 100%;
+		background: white;
+		height: 100%;
+	}
+</style>
 
 <body>
-
-	<iframe src="about://blank" frameborder="0" id="demo-frame" allowfullscreen></iframe>
+	<iframe
+		src="about://blank"
+		frameborder="0"
+		id="demo-frame"
+		allowfullscreen
+	></iframe>
 
 	<script src="detached-window.js"></script>
 </body>
