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<link href="https://fonts.googleapis.com/css?family=Frijole" rel="stylesheet">
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<style>
.code , h2 {font-family: 'Frijole', cursive;}
h1 {font-family: 'Satisfy', cursive;}
</style>
<body>
<div class="py-5"><div class="container"><div class="row"><div class="col-md-12"><h2 class="">I'm one of many on your phone...<br>Perhaps a scan for me,<br>would make me known...</h2>
<br>
<br>
<br>
<span class="code">Enter code:</span> <input id="textbox_id" type="text" name="fname">
<input type="submit" value="Submit" onclick="myFunction()">
<br>
<br>
<br>
<h2 id="wrong" style="color:red; visibility:hidden;">WRONG!</h2>
<h1 id="correct" style="color:green;visibility:hidden;">Check the car boot...</h1>
<script>
function myFunction() {
var x = document.getElementById('textbox_id').value;
if (x==4875962)
{
document.getElementById("wrong").style.visibility = "hidden";
document.getElementById("correct").style.visibility = "visible";
}
else {
document.getElementById("correct").style.visibility = "hidden";
document.getElementById("wrong").style.visibility = "visible";}
}
</script>
</div></div></div></div>
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