* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;

}

body {
    font-family: Arial, sans-serif;
    min-height: 100vh;
    background-color: whitesmoke;
    align-items: center;
    display: flex;
    justify-content: center;
}
       .back-btn {
            display: inline-block;
            margin-top: 24px;
            padding: 10px 22px;
            background: #2a2d30;
            color: #fff;
            border: none;
            border-radius: 4px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s;
            text-decoration: none;
        }
        .back-btn:hover {
            background: #217dbb;
        }
section {
    display: flex;
    align-items: center;
    justify-self: center;
    gap: 5em;
    color: #000;
}
.box {
    max-width: 600px;
}
h1 {
    font-size: 5em;
}
p {
    font-size: 1.2em;
}
iframe {
    border-radius: 2em;
    border: none;
    width: 500px;
    height: 500px;
    opacity: 0.7;
    transition: 0.3s ease-in-out;
}
iframe:hover {
    opacity: 1;
    transform: scale(1.1);
}