body {
    font-family: Arial, sans-serif;
    background: #222;
    color: #eee;
    text-align: center;
}

.controls {
    margin: 12px auto;
    display: inline-block;
    background: #333;
    padding: 8px 18px;
    border-radius: 8px;
}

.controls label {
    margin-right: 8px;
}
.controls input[type=number] {
    width: 60px;
    margin-right: 10px;
    padding: 5px;
    border-radius: 3px;
    border: none;
    background: #444;
    color: #eee;
}

button {
    margin-top: 10px;
    padding: 10px 18px;
    font-size: 1rem;
    background: #555;
    color: #eee;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
button:hover {
    background: #888;
}

#mazeCanvas {
    border: 2px solid #eee;
    margin-top: 20px;
    background: #222;
}