body {
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: #f8f9fa;
}

.controls {
    margin: 10px;
}

button {
    margin: 5px;
    padding: 8px;
    border: none;
    background: #007BFF;
    color: white;
    cursor: pointer;
}

button:hover {
    background: #0056b3;
}

#canvas {
    display: grid;
    margin: 20px auto;
    width: 320px;
    height: 320px;
    grid-template-columns: repeat(16, 1fr);
    grid-template-rows: repeat(16, 1fr);
    border: 2px solid black;
}

.pixel {
    border: 1px solid #ddd;
    background-color: white;
    width: 20px;
    height: 20px;
}