<!DOCTYPE html>
<head>
  <title>Simple chat</title>
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="main.css">
</head>
<body>
  <div id="error">Transport error: connection lost</div>
  <h1>Invite</h1>
  <p>Share this URL <span id="share">...</span> to invite your friend to this private chat room.</p>
  <h1>Chat</h1>
  <div id="conversation"></div>
  <select id="color">
    <option value="black" style="color:black">black</option>
    <option value="red" s