div#javascript-gallery {
    display: flex;
}
figure {
    margin: 0;
}
div#javascript-gallery a {
    flex: 1 1 1%;
    transition: 0.3s;
    padding: 4px 2px;
    outline: none;
}
div#javascript-gallery a:hover,
div#javascript-gallery a:focus {
    opacity: 0.8;
}

.section-rtimg img {
    width: 100%;
    height: auto;
}

.section-rtimg {
    max-width: 800px;

    font-size: 0;
    background: #f4f4f4;
}