article {
    display: flex;
    flex-direction: column;
}

.question {
    display: none;
}

.result {
    display: none;
}

#img {
    width: 300px;
    height: 300px;
    margin: 0 auto;
}

.title {
    font-size: 250%
}

.sub-title {
    font-size: 175%;
}

.copyright-text {
    margin: 0 auto;
}