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

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

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

.camera {
    width: 300px;
    height: 200px;
    margin: 0 auto 40px auto;
}

.camera img {
    display: block;
    width: 100%;
    height: auto;
}

.checkout {
    background-color: #fff;
    border: 2px solid #333;
    padding: 20px;
    border-radius: 10px;
    width: 700px;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);
}

#item-list {
    margin-top: 20px;
    display: flex;
    justify-content: space-between;
}

.item {
    background-color: #ffd700;
    border: 2px solid #333;
    padding: 10px;
    margin: 10px;
    cursor: pointer;
    display: inline-block;
    border-radius: 5px;
    width: 80px;
    text-align: center;
}

.item img {
    width: 50px;
    height: 50px;
}

#message {
    color: red;
    margin-top: 10px;
}

#checkoutButton {
    margin-top: 20px;
    padding: 10px 20px;
    background-color: #333;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

#checkoutButton:disabled {
    background-color: #888;
}