sevens.exposed 404

<html>
<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>

<p><br />
<title>404 ERROR</title>
</p>
<div id="text">
-<span id="cursor">!</span>
</div>
<br><br>
<center>
</center>

<style>
body {
    background-image:url('Key.gif');
    background-size:73%;
    background-repeat: repeat-y;
    background-attachment: fixed;
    height:93%;
    width:93%;
}

div {
  color: #f33f01;
  font-family: Monaco, monospace;
  font-size: 24px;
  width: 100%;
  text-align: center;
  position: absolute;
  top: 45%;
  left: 0px;
  animation: 120ms infinite normal glitch;
}

span {
  animation: 1500ms infinite normal cursor;
}

@keyframes glitch {
  0% {
    opacity: 0;
    left: 0px;
  }
  40% {
    opacity: 1;
    left: -2px;
  }
  80% {
    opacity: 1;
    left: -2px;
  }
}

@keyframes cursor {
  0% {
    opacity: 0;
    left: 0px;
  }
  40% {
    opacity: 0;
    left: -2px;
  }
  80% {
    opacity: 1;
    left: -2px;
  }
}
</style>
<body bgcolor="000">
<br><br>
<center>
<audio controls autoplay>
<source src="404.wav" type="audio/mpeg"></audio>
</center>
</body>