MediaWiki:Common.css: Difference between revisions

Revision as of 12:13, 31 July 2025

/* CSS placed here will be applied to all skins */

.hover-gallery {
  position: relative;
  overflow: hidden;
  display: inline-block;
}

.hover-gallery img {
  width: 100%;
  height: auto;
  display: block;
}

/* MAIN IMAGE: Visible by default */
.hover-gallery .main-image {
  position: relative;
  z-index: 1;
  opacity: 1;
  transition: opacity 0.5s ease-in-out;
}

/* ALT IMAGES: Positioned above, hidden by default */
.hover-gallery .alt-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  pointer-events: none;
  z-index: 2;
  transition: opacity 0.5s ease-in-out;
  animation-duration: 6s;
  animation-iteration-count: infinite;
  animation-timing-function: ease-in-out;
  animation-fill-mode: both;
}

/* On hover: hide main image and start animation */
.hover-gallery:hover .main-image {
  opacity: 0;
}

/* On hover: activate animation on alt images */
.hover-gallery:hover .alt-image {
  animation-name: fadeCycle;
}

/* Apply staggered delays to alternate images */
.hover-gallery .alt-image:nth-of-type(2) { animation-delay: 0s; }
.hover-gallery .alt-image:nth-of-type(3) { animation-delay: 2s; }
.hover-gallery .alt-image:nth-of-type(4) { animation-delay: 4s; }

/* Keyframes: show each image for 1.5s, fade in and out cleanly */
@keyframes fadeCycle {
  0% { opacity: 1; }
  25% { opacity: 1; }
  33% { opacity: 0; }
  100% { opacity: 0; }
}

/* ===== MOBILE FALLBACK: Always cycle alt images on mobile ===== */
@media (hover: none) and (pointer: coarse) {
  .hover-gallery .alt-image {
    animation-name: fadeCycle;
  }

  .hover-gallery .main-image {
    opacity: 0;
  }
}