<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Webcomponent GUI</title>
    <style>
        body {
            margin: 0;
            padding: 0;
            font-family: Arial, sans-serif;
            font-size: 16px;
        }
    </style>
</head>
<body>

    <div style="display: flex; flex-direction: column; justify-content: center; align-items: center; padding: 10px; gap: 10px;">

        <span id="