body {
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: #282c36;
    color: white;
}

.container {
    margin-top: 100px;
}

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

button {
    font-size: 1.2em;
    padding: 10px 20px;
    margin: 5px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    opacity: 0.8;
}