body {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #87CEEB;
    font-family: Arial, sans-serif;
}

#game-container {
    position: relative;
}

#gameCanvas {
    border: 2px solid #000;
    background-color: #87CEEB;
}

#score, #high-score {
    position: absolute;
    top: 10px;
    color: white;
    font-size: 24px;
    font-weight: bold;
    text-shadow: 1px 1px 2px black;
}

#score {
    left: 10px;
}

#high-score {
    right: 10px;
}

#game-over, #start-screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
}

button {
    margin: 10px;
    padding: 10px 20px;
    font-size: 18px;
    font-weight: bold;
    background-color: #FFD700;
    border: 2px solid #DAA520;
    border-radius: 5px;
    cursor: pointer;
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.3);
}

button:hover {
    background-color: #DAA520;
}

h1, h2 {
    font-size: 36px;
    margin-bottom: 20px;
    text-shadow: 2px 2px 5px black;
}