body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    max-width: 300px;
}

input {
    padding: 8px;
    font-size: 14px;
    width: 100%;
    max-width: 250px;
}

button {
    padding: 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    cursor: pointer;
    font-size: 16px;
    width: 100%;
    max-width: 250px;
}

button:hover {
    background-color: #45a049;
}

video {
    width: 100%;
    max-width: 600px;
    margin-top: 20px;
}