body {
    font-family: 'Press Start 2P', cursive;
    background-color: #000;
    margin: 0;
    padding: 0;
    color: #fff;
}

header {
    background-color: #333;
    text-align: center;
    padding: 20px 0;
}

header h1 {
    font-size: 36px;
    margin: 0;
}

main {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background-color: rgba(0, 0, 0, 0.7);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}

h2 {
    font-size: 24px;
    margin-top: 0;
    color: #fff;
}

section#settings {
    margin-bottom: 20px;
}

label {
    font-weight: bold;
    color: #fff;
}

button {
    background-color: #ff5733;
    color: #fff;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #ff4500;
}

#timer {
    margin-top: 10px;
}

#timer p {
    font-size: 16px;
    font-weight: bold;
    color: #fff;
}

#game-container {
    text-align: center;
}

#game-layer {
    position: relative;
    width: 500px;
    height: 500px;
    border: 5px solid #333;
    margin: 0 auto;
    background-color: #111;
}

.square {
    position: absolute;
    width: 25px;
    height: 25px;
    border: 3px solid #333;
}

.red {
    background-color: #ff5733;
}

.blue {
    background-color: #3399ff;
}

.yellow {
    background-color: #ffd700;
}

.orange {
    background-color: #ff8c00;
}

.green {
    background-color: #00ff00;
}

.purple {
    background-color: #800080;
}

footer {
    text-align: center;
    padding: 10px 0;
    background-color: #333;
    color: #fff;
}