style.css

.scroll-select-container {
  height: 100%;
  overflow: hidden;
  font-size: 20px;
  line-height: 30px;
  position: relative;
}
.scroll-select-container ul{
  padding: 60px 0;
}
.scroll-select-container .scroll-select {
  margin: 0px;
}
.scroll-select li {
  user-select: none;
  padding: 0px;
  list-style: none;
  text-align: center;
  padding: 0 5px;
}
.scroll-select-container .scroll-select-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(to bottom, rgba(255,255,255,1), rgba(255,255,255,0.6))
}
.scroll-select-container .scroll-select-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(to top, rgba(255,255,255,1), rgba(255,255,255,0.6))
}