body, html {
    height: 100%;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #282c34;
    color: white;
    font-family: Arial, sans-serif;
}

#gameCanvas {
    position: relative;
    width: 600px;
    height: 400px;
    background-color: black;
    border: 2px solid #555;
    margin-bottom: 10px;
}

.paddle {
    position: absolute;
    width: 20px;
    height: 100px;
    background-color: #fff;
}

#paddleA {
    left: 0;
}

#paddleB {
    right: 0;
}

#ball {
    position: absolute;
    width: 20px;
    height: 20px;
    left: 50%;
    top: 50%;
    background-color: red;
    border-radius: 50%;
}

#scoreBoard {
    font-size: 2em;
    margin-bottom: 10px;
}

button {
    padding: 10px 20px;
    margin: 5px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}