.main-container {
    width: 80%;
    margin: 0 auto;

    display: flex;
    justify-content: space-around;
}

.main-container>div {
    flex: 1;
    margin: 2rem;
}

#result-image {
    display: block;
    max-width: 100%;
    width: auto;
    height: auto;
}