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

html, body {
    height: 100%;
    font-family: 'Poppins', sans-serif;
    background-color: #1c1c1c;
    color: #fff;
}

#content {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
}

h1 {
    margin-bottom: 20px;
    font-size: 2.5rem;
   align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
}

button {
    padding: 12px 24px;
    border: 2px solid #fff;
    border-radius: 10px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.3));
    color: white;
    cursor: pointer;
    height: 100%;
    text-align: center;
    margin: 10px;
    width: 80%;
    max-width: 400px;
    transition: background-color 0.3s;
}

button:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

iframe {
    margin-top: 20px;
    border: none;
    border-radius: 10px;
    width: 100%;
    max-width: 800px;
    height: 600px;
}