body {
    background: #f5f5f5;
}

.smoke-section {
    text-align: center;
    padding: 2em;
}

#smokeCanvas {
    background: #f5f5f5;
    display: block;
    margin: 0 auto;
    border: none;
    border-radius: 8px;
}

.hint {
    margin-bottom: 1em;
    font-size: 1em;
    color: #555;
}

.counter {
    font-size: 1em;
    margin-bottom: 1em;
    color: #4a90e2;
    font-weight: bold;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1em;
}