Replit Hashtag Lookup 2

<!DOCTYPE html>
<html>
<head>
  <title>Replit Hashtag Explorer</title>
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link href="//fonts.googleapis.com/css?family=Orbitron" rel="stylesheet" type="text/css">
  <link href="//fonts.googleapis.com/css?family=Droid+Sans" rel="stylesheet" type="text/css">
</head>
<body>

  <div class="container">
    <div class="main">
      <h1><center>Replit Explore Hashtag Search</center></h1>
      <p><center>Built by NovaFlippers</center></p>
      <div id="error"></div>
      <center><form action="no-js" method="get" id="hashtag-form">
        <p>
          Enter Hashtag
          <input type="text" id="url" name="url" autofocus="autofocus" placeholder="#"/>
          <input type="submit" button class="button" value="Go" />
        </p>
      </form></center>
<style>
body {
  background-color: #28282B;
}

body {
  font-family: 'Courier New', monospace;
  font-size: 30px;
  color: #ECE3E1;
}

</style>

<style>
  input[type=text], select {
  width: 65%;
  padding: 12px 20px;
  margin: 8px 0;
  font-family: 'Courier New', monospace;
  font-size: 30px;
  color: black;
}
</style>

<style>
.button {
  border-radius: 5px;
  background-color: #ededeb;
  color: #292222;
  text-align: center;
  font-size: 28px;
  padding: 25px;
  width: 220px;
  transition: all 0.5s;
  margin: 5px;
  font-size: 28px;
  font-family: 'Courier New', monospace;
}

.button span {
  cursor: pointer;
  display: inline-block;
  position: relative;
  transition: 0.5s;
}

.button span:after {
  content: '\00bb';
  position: absolute;
  opacity: 0;
  top: 0;
  right: -20px;
  transition: 0.5s;
}

.button:hover span {
  padding-right: 25px;
}

.button:hover span:after {
  opacity: 1;
  right: 0;
}
</style>

<div id="google-ad">

    <script>
        function $(id){
            return document.getElementById(id);
        }

        $('hashtag-form').onsubmit = function(){
            var url = $('url').value;
            window.location.href='https://replit.com/explore/' + url;
            return false;
        };


        window.onload = function() {
            $('url').focus();
            checkError();
        }
    </script>


</body>
</html>