diff --git a/dist/crypto.html b/dist/crypto.html
--- a/dist/crypto.html
+++ b/dist/crypto.html
@@ -2,11 +2,19 @@
 <html>
 <head>
 	<meta charset="utf-8" />
+	<title>Chacha20</title>
 	<script type="text/javascript" src="main.js"></script>
 </head>
 <body>
+	<form name="chacha">
+		<textarea name="input"></textarea>
+		<input type="password" name="password" />
+		<button type="button" name="encrypt">zašifrovat</button>
+		<button type="button" name="decrypt">dešifrovat</button>
+		<textarea name="output"></textarea>
+	</form>
 	<script type="text/javascript">
-		console.log(cryptoJS.util.str2utf8("abc"));
+		
 	</script>
 </body>
 </html>