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

#container {
    text-align: center;
}

#clickArea {
    padding: 50px 100px;
    font-size: 24px;
    cursor: pointer;
    border: none;
    background-color: #4CAF50;
    color: white;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

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

#clickArea:active {
    background-color: #3e8e41;
}

#popup {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background-color: white;
    padding: 30px;
    border: 1px solid #ccc;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    border-radius: 8px;
    z-index: 1000;
}

#popup p {
    margin: 0;
    font-size: 20px;
}

.hidden {
    display: none;
}