1 files changed, 5 insertions, 0 deletions
diff --git a/index.html b/index.html
index a5c554d..0ca4672 100644
--- a/index.html
+++ b/index.html
@@ -7,5 +7,10 @@
 	</head>
 	<body>
 		<canvas style="position: fixed; top: 0px; left: 0px"></canvas>
+		<div style="position: fixed; bottom: 0px; left: 0px">
+			<input type="checkbox" id="grid"><label for="grid">Show grid</label><br>
+			<input type="checkbox" id="lines"><label for="lines">Show lines</label><br>
+			<input type="checkbox" id="circles"><label for="circles">Show circles</label><br>
+		</div>
 	</body>
 </html>