slideshow.css

/* Simple CSS slideshow for the landing page.
 * Pretty much lifted from https://snook.ca/archives/html_and_css/simplest-css-slideshow
 */
@keyframes fade {
    0% {  opacity: 0; visibility: hidden; }
    11.11% { opacity: 1; visibility: visible; }
    33.33% { opacity: 1; visibility: visible; }
    44.44% { opacity: 0; visibility: hidden; }
    100% { opacity: 0; visibility: hidden; }
}

.slideshow div {
    opacity: 0;
    visibility: hidden;
    animation-name: fade;
    animation-duration: 9s;
    animation-iteration-count: infinite;
    position:absolute;
    left:0;
    right:0;
}

.slideshow div:nth-child(1) { animation-delay: 0s; }
.slideshow div:nth-child(2) { animation-delay: 3s; }
.slideshow div:nth-child(3) { animation-delay: 6s; }

.slideshow img { height: 194px; }

.slideshow-wrapper {
    position: relative;
    height: 194px;
}