1 files changed, 6 insertions, 0 deletions
diff --git a/index.html b/index.html
index 07db714..a3a747d 100644
--- a/index.html
+++ b/index.html
@@ -1,3 +1,4 @@
+<!doctype html>
 <html>
 	<meta charset="utf-8">
 	<title>Share a geographic position</title>
@@ -10,11 +11,16 @@
 		body {
 			max-width: 40ch;
 			margin: 1em auto;
+			padding: 0 0.5em;
 			font-size: 1.2em;
 		}
 		li {
 			padding: 1em;
 		}
+		.input-group { display: flex; gap: 0.2em; margin-bottom: 1em; }
+		.input-group input { flex-grow: 1; }
+		input, button { font-size: inherit; }
+		.error { color: darkred; }
 	</style>
 	</body>
 </html>