body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f4f4f4;
}

.container {
    text-align: center;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    position: relative; /* Needed for absolute positioning of the exit button */
}

.timer {
    font-size: 48px;
    margin-bottom: 20px;
}

.input-container {
    margin-bottom: 20px;
}

input {
    width: 50px;
    margin: 0 5px;
    text-align: center;
}

button {
    padding: 10px 20px;
    cursor: pointer;
    margin: 0 5px;
    border: none;
    border-radius: 4px;
    color: white;
    background-color: #007bff;
    transition: background 0.3s;
}

button:hover {
    background-color: #0056b3;
}

.hidden {
    display: none;
}

.message {
    font-size: 24px;
    color: red;
    margin-top: 20px;
}

#exitButton {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background-color: #dc3545; /* Red background for exit button */
}

#exitButton:hover {
    background-color: #c82333; /* Darker red on hover */
}