.picker-wrapper,
.picker-wrapper * {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  -webkit-user-select: none;
  font-family: "Roboto", helvetica;
}
.picker-wrapper {
  text-align: center;
  position: relative;
  height: 210px;
  display: inline-block;
  line-height: 30px;
  width: 100%;
  font-size: 20px;
  -webkit-perspective: 1000px;
  perspective: 1000px;
  -webkit-perspective-origin: center center;
  perspective-origin: center center;
}
.picker-scroller {
  -webkit-transition: -webkit-transform 100ms ease;
  transition: -webkit-transform 100ms ease;
  transition: transform 100ms ease;
  transition: transform 100ms ease, -webkit-transform 100ms ease;
  -webkit-transform: translateZ(-90px) rotateX(0deg);
  transform: translateZ(-90px) rotateX(0deg);
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
  height: 100%;
  text-align: center;
}
.picker-scroller .option {
  position: absolute;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  width: 100%;
  -webkit-transition: all 300ms;
  transition: all 300ms;
  color: black;
  -webkit-transform-origin: 50% 50%;
  transform-origin: 50% 50%;
  -webkit-transform-style: preserve-3d;
}

.picker-up {
  position: absolute;
  top: 0;
  z-index: 2;
  width: 100%;
  height: 90px;
}
.picker-up:after,
.picker-down:after {
  content: "";
  position: absolute;
  height: 2px;
  width: 52px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(0deg,
    rgba(0, 0, 0, 0.18) 1px,
    rgba(255, 255, 255, 0.28) 1px
  );
}
.picker-up:after {
  bottom: 0;
}
.picker-down:after {
  top: 0;
}
.picker-down {
  position: absolute;
  bottom: 0;
  z-index: 2;
  width: 100%;
  height: 90px;
}
.clone-scroller {
  z-index: 5;
  overflow: auto;
  height: 100%;
  position: absolute;
  top: 0;
  left: -30px;
  right: -30px;
  padding-top: 90px;
  padding-bottom: 90px;
}
.clone-scroller .option {
  visibility: hidden;
}