kmap-ui/src/components/ol/control/Storymap.css

A components of zmap base on vue2.X

.ol-control.ol-storymap {
  top: .5em;
  left: .5em;
  bottom: .5em;
  max-width: 35%;
  border-radius: .5em;
  position: absolute;
  height: auto;
}
.ol-storymap {
  overflow: hidden;
  padding: 0;
  height: 100%;
  position: relative;
  scroll-behavior: smooth;
  user-select: none;
}
.ol-storymap.ol-move {
  scroll-behavior: unset;
}
.ol-storymap.ol-touch {
  overflow-y: auto;
}

.ol-control.ol-storymap .chapter {
  padding: .5em;
}
.ol-storymap .chapter {
  cursor: pointer;
  opacity: .4;
}
.ol-storymap .chapter.ol-select {
  cursor: default;
  opacity: 1;
}

.ol-storymap .ol-scroll-top,
.ol-storymap .ol-scroll-next {
  position: relative;
  min-height: 1.7em;
  color: rgba(0,60,136,.5);
  text-align: center;
  cursor: pointer;
}
.ol-storymap .ol-scroll-next span {
  padding-bottom: 1.4em;
  display: block;
}
.ol-storymap .ol-scroll-top span {
  padding-top: 1.4em;
  display: block;
}

.ol-storymap .ol-scroll-top:before,
.ol-storymap .ol-scroll-next:before {
  content: "";
  border: .3em solid currentColor;
  border-radius: .3em;
  border-color: transparent currentColor currentColor transparent;
  width: .8em;
  height: .8em;
  display: block;
  position: absolute;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  animation: ol-bounce-bottom 0.35s linear infinite alternate;
  pointer-events: none;
}
.ol-storymap .ol-scroll-top:before {
  border-color: currentColor transparent transparent currentColor;
  animation: ol-bounce-top 0.35s linear infinite alternate;
}

@keyframes ol-bounce-top{
  from {top: -.2em;}
  to   {top: .5em;}
}
@keyframes ol-bounce-bottom{
  from {bottom: -.2em;}
  to   {bottom: .5em;}
}

.ol-storymap img[data-title] {
  cursor: pointer;
}