#scroll-container {
  overflow: hidden;
  max-width: 100%;
  margin: auto;
  height: 50vh;
  top: 25vh;
  position: relative;
  min-height: 1000px;
}
.wrap-container {
  position: relative;
  max-height: 400px;
  width: 100%;
  max-width: 100%;
  margin: auto;
  /* background: #eee; */
  overflow: auto;
  padding-right: 20px;
  mask: url(#masking);
  -webkit-mask-image: linear-gradient(transparent, white, transparent);
/*  linear-gradient(transparent, black, transparent); */

 /* -webkit-mask-image: -webkit-gradient(linear, left bottom, left top, color-stop(0.5, black), color-stop(1, transparent)); */
}
.wrap-container ul {
  list-style: none;
  position: relative;
  transition: transform .3s;
  top: 50px;
}
.wrap-container ul, .wrap-container ul li {
  margin: 0;
  padding: 0;
  text-align: center;
}
.wrap-container ul li {
  height: 100px;
  line-height: 100px;
  transition: transform .3s;
  overflow: visible;
}
.wrap-container ul li:last-of-type {
  padding-bottom: 100px;
}
.wrap-container ul li.active .item {
  transform: scale(1.3);
}
.wrap-container ul li .item {
  position: relative;
  transition: transform 200ms;
  display: inline-block;
}