404.html

<!DOCTYPE html>
<html>
    <style>
        body {
            font-family: "Lato", "Sans-Serif", "Arial";
        }
        
        .main_box {
            width: 800px;
            margin: 6em auto;
            padding: 3em;
            background-color: #ececec;
            border-radius: 1em;
            box-shadow: 3px 3px 7px 3px #0000002c;
            text-align: center;
        }
    </style>
    <head>
        <title>Page Not Found</title>
        <link rel="shortcut icon" type="image/x-icon" href="favicon.ico">
        <link rel="stylesheet" type="text/css" href="css/main.css">
    </head>
    <body>
        <div class="main_box">
            <h1>404</h1>
            <h3>Page Not Found</h3>
            <p><a href="/">Home</a></p>
        </div>
    </body>
</html>