.timeline ul {
  padding: 50px 0;
}

.timeline ul li {
  list-style-type: none;
  position: relative;
  width: 2px;
  margin: 0 auto;
  padding-top: 10px;
  background: #c4c1c1;
}

.timeline ul li:hover div{
  background: #2f66c6; 
}
.timeline ul li:hover div::before{
  border-right-color: #2f66c6; 
}

.timeline ul li:hover::after{
  background: #2f66c6; 
}

.onclickli::after{background: #2f66c6 !important}
.onclickli_div{background: #2f66c6 !important}
.onclickli_div::before{border-right-color: #2f66c6 !important}

.timeline ul li::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: inherit;
}

.timeline ul li div {
  position: relative;
  bottom: 0;
  width: 50px;
  padding: 5px 0 5px 8px;
  background: #72a3e3;
}

.timeline ul li div::before {
  content: '';
  position: absolute;
  bottom: 3px;
  width: 0;
  height: 0;
  border-style: solid;
  transition: all .5s ease-in-out;
  left: -5px;
  border-width: 12px 6px 12px 0;
  border-color: transparent #72a3e3 transparent transparent;
}

.timeline ul li div {
  left: 16px;
  border-radius: 2px;
}


time {
  display: block;
  font-size: 14px;
  font-weight: bold;
  color: #FFF;
  /*margin-bottom: 8px;*/
}


.timeline ul li::after {
  transition: background .5s ease-in-out;
  background: #72a3e3;
}


.timeline ul li div {
  visibility: hidden;
  opacity: 0;
  transition: all .5s ease-in-out;
  transform: translate3d(0, 20px, 0);
}


/*.timeline ul li:nth-child(odd) div {
  transform: translate3d(0, 200px, 0);
}*/

/*.timeline ul li:nth-child(even) div {
  transform: translate3d(-200px, 0, 0);
}*/

.timeline ul li.in-view div {
  transform: translate3d(0, 0, 0);
  visibility: visible;
  opacity: 1;
}
.timeline ul li:nth-child(1).in-view::after{
  background: #2f66c6;
}
.begin_time{
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  /*margin-left:2px; */
  transform: translateX(-50%);
  width: 29px !important;
  height: 29px;
  border-radius: 50%;
  background: #2f66c6 !important;
}

li.begin_time .year{
    position: relative;
    z-index: 999;
    top: -30px;
    left: 35px;
    width: 120px;
    font-size: 14px;
    font-weight: bold;
    color: #333;
}

li.begin_time .icon-rili{
    position: relative;
    z-index: 999;
    top: -9px;
    left: 7px;
    color: #FFF;
}