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

body {
    font-family: Arial, Helvetica, sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    flex-direction: column;
}

.container {
    margin-bottom: 20px;
    text-align: center;
    width: 75%;
}

label {
    font-size: 1.2rem;
    margin-bottom: 10px;
    display: block;
    color: #333333;
}

select {
    padding: 10px;
    font-size: 1rem;
    border-radius: 5px;
    border: 2px solid #007BFF;
    background-color: #FFFFFF;
    cursor: pointer;
    width: 100%;
    max-width: 300px;
    display: block;
    margin: 0 auto;
}

#finish {
    text-align: center;
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
}

#demo {
    font-size: 1.5rem;
    color: #007BFF;
    font-weight: bold;
    margin-top: 20px;
}

#image img {
    margin-top: 20px;
    max-width: 50%;
    height: auto;
    border-radius: 10px;
}

@media (max-width: 768px) {
    select {
        max-width: 100%;
    }

    #image img {
        max-width: 80%;
    }
}

@media (max-width: 480px) {
    #demo {
        font-size: 1.2rem;
    }

    #image img {
        max-width: 90%;
    }
}