body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    font-family: Arial, sans-serif;
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-image: url('darth_vader.jpg');
    background-size: cover;
    background-position: center;
}

button {
    padding: 15px 30px;
    font-size: 18px;
    color: #fff;
    background-color: #000;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-top: 50vh;
}

button:hover {
    background-color: #333;
}