body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 90vh;
    margin: 0;
    background-color: #f0f0f0;
}

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

#problem {
    margin-bottom: 20px;
}

.content {
    display: flex;
    align-items: center;
    justify-content: center;
}

#left-section, #right-section {
    display: flex;
    flex-direction: column;
    align-items: center;
}

#image-container {
    position: relative;
    margin: 0 5px;
}

#lady-image {
    width: 70%;
    max-width: 200px;
}

#card-number {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2em;
    font-weight: bold;
    color: red;
}

button {
    margin: 5px;
    padding: 10px;
    font-size: 12px;
    cursor: pointer;
}

#result {
    margin-top: 20px;
    font-size: 1.2em;
    font-weight: bold;
}