:root {
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #000;
}

.install-zone {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: #000;
}

.carousel {
  position: relative;
  width: min(500px, 100vw);
  height: 100vh;
  overflow: hidden;
  touch-action: pan-y;
}

.track {
  display: flex;
  width: 400%;
  height: 100%;
  transition: transform 300ms ease;
  will-change: transform;
}

.slide {
  display: flex;
  flex: 0 0 25%;
  width: 25%;
  height: 100%;
  background: #fff;
}

.slide img {
  display: block;
  width: 20%;
  height: 100%;
  object-fit: fill;
  user-select: none;
  -webkit-user-drag: none;
}

.download-trigger {
  position: absolute;
  top: 85%;
  left: 50%;
  z-index: 1;
  width: 160px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  transform: translateX(-50%);
}

.overlay {
  display: block;
  width: 160px;
  height: auto;
  animation: zoom 2s infinite;
  user-select: none;
  -webkit-user-drag: none;
}

@keyframes zoom {
  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.1);
  }
}