ol-ext/control/Storymap.css

A set of cool extensions for OpenLayers (ol) in node modules structure

.ol-control.ol-storymap {
  top: .5em;
  left: .5em;
  bottom: .5em;
  max-width: 35%;
  border-radius: .5em;
  position: absolute;
  height: auto;
  background-color: rgba(255,255,255,.5);
}
.ol-storymap {
  overflow: hidden;
  padding: 0;
  height: 100%;
  position: relative;
}
.ol-storymap > div {
  overflow: hidden;
  padding: 0;
  height: 100%;
  position: relative;
  scroll-behavior: smooth;
  user-select: none;
}
.ol-storymap >div.ol-move {
  scroll-behavior: unset;
}

.ol-control.ol-storymap .chapter {
  position: relative;
  padding: .5em;
  overflow: hidden;
}
.ol-control.ol-storymap .chapter:last-child {
  margin-bottom: 100%;
}
.ol-storymap .chapter {
  cursor: pointer;
  opacity: .4;
}
.ol-storymap .chapter.ol-select {
  cursor: default;
  opacity: 1;
  background-color: rgba(255,255,255,.8);
}

.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;
}

/* scrollLine / scrollbox */
.ol-storymap.scrollLine,
.ol-storymap.scrollBox {
  top: 0;
  bottom: 0;
  background-color: transparent;
  border-radius: 0;
  max-width: 40%;
}
.ol-storymap.scrollLine .chapter,
.ol-storymap.scrollBox .chapter {
  background-color: #fff;
  margin: 100% 0;
}
.ol-storymap.scrollLine .chapter:first-child,
.ol-storymap.scrollBox .chapter:first-child {
  margin-top: 3em;
}
.ol-storymap.scrollLine .chapter.ol-select,
.ol-storymap.scrollLine .chapter,
.ol-storymap.scrollBox .chapter.ol-select,
.ol-storymap.scrollBox .chapter {
  opacity: 1;
}

.ol-storymap.scrollLine .ol-scrolldiv,
.ol-storymap.scrollBox .ol-scrolldiv {
  padding-right: 30px;
}
.ol-storymap.scrollLine:before,
.ol-storymap.scrollBox:before {
  content: "";
  position: absolute;
  width: 2px;
  height: 100%;
  top: 0;
  bottom: 0;
  right: 14px;
  background-color: #fff;
}

.ol-storymap.scrollLine .ol-scroll,
.ol-storymap.scrollBox .ol-scroll {
  display: block!important;
  padding: 0;
  width: 1px;
  opacity: 1!important;
  right: 15px;
  overflow: visible;
  transition: none;
}
.ol-storymap.scrollLine .ol-scroll > div {
  background-color: transparent;
  overflow: visible;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: unset;
}
.ol-storymap.scrollLine .ol-scroll > div:before {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #0af;
  border: 2px solid #fff;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.ol-storymap.scrollBox .ol-scroll > div {
  display: none;
}
.ol-storymap.scrollBox .chapter:after {
  content: "";
  width: 20px;
  height: 20px;
  position: absolute;
  top: Min(30%, 5em);
  right: -24.5px;
  box-shadow: 0 0 0 2px #fff, inset 0 0 0 15px #0af; 
  border-radius: 50%;
  border: 5px solid transparent;
  box-sizing: border-box;
  z-index: 1;
}