* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f0f0f0;
}

.game-container {
    text-align: center;
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    margin-bottom: 15px;
    color: #2c3e50;
}

.game-info {
    margin-bottom: 15px;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

button {
    padding: 8px 15px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #2980b9;
}

#gameCanvas {
    border: 2px solid #2c3e50;
    background-color: #ecf0f1;
}

#game-over {
    margin-top: 20px;
    padding: 15px;
    background-color: #e74c3c;
    color: white;
    border-radius: 5px;
}

.hidden {
    display: none;
}

.speed-control {
    margin-top: 10px;
}

.speed-control label {
    margin-right: 10px;
}