body {
    font-family: Arial, sans-serif;
    background-color: #222;
    color: #eee;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.hidden {
    display: none;
}

button {
    padding: 10px;
    font-size: 1em;
    background-color: #444;
    color: #fff;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #555;
}

#timer {
    font-size: 3em;
    margin: 20px 0;
}

#info h2, #info h3 {
    margin-bottom: 10px;
}

#info p {
    margin: 5px 0;
    font-size: 1.1em;
}

#info ul {
    padding-left: 20px;
}

#info li {
    margin-bottom: 5px;
    line-height: 1.5;
}