test.html

<!DOCTYPE html>
<html lang="ru">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>сайт оцелота :3</title>
    <linkrel="icon" href="favicon.png" type="image/x-icon">
    <link rel="stylesheet" href="https://unpkg.com/7.css">
    <style>
        .window-body {
            width: 500px;
            height: 385px;
        }
        .background {
            align-content: center;
            width: 100%;
        }
    </style>
</head>
<body>
    <div class="background">
        <div class="window glass active" style="width: 513px">
            <div class="title-bar">
                <div class="title-bar-text">шот об авторе</div>
                <div class="title-bar-controls">
                    <button aria-label="Minimize"></button>
                    <button aria-label="Close"></button>
                </div>
            </div>
            <img src="/igor360website/window.png" class="window-body" alt="НЕ НАДА ЭТА ВЫДЕЛЯТЬ!">
        </div>
    </div>
</body>
</html>