.main-timeline{
  overflow: hidden;
  position: relative;
}

.main-timeline:before{
  content: "";
  width: 3px;
  height: 100%;
  background: #3d3c4b;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}

.main-timeline .timeline{
  width: 50%;
  float: left;
  padding: 0 150px 0 50px;
  margin-bottom: 30px;
  position: relative;
}

.main-timeline .timeline:before{
  content: "";
  width: 110px;
  height: 3px;
  background: #3d3c4b;
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
}

.main-timeline .timeline:after{
  content: "\f0d9";
  font-family: "Font Awesome 5 Free";font-weight: 900;
  font-size: 40px;
  color: #3d3c4b;
  position: absolute;
  top: 50%;
  right: 110px;
  transform: translateY(-50%);
}

.main-timeline .timeline-content{
  display: block;
  padding: 30px 20px 30px 90px;
  background: linear-gradient(to right top, #df458b, #d53863);
  position: relative;
}

.main-timeline .timeline-content:hover{ text-decoration: none; }

.main-timeline .timeline-content:before,
.main-timeline .timeline-content:after{
  content: "";
  border-top: 20px solid #474548;
  border-left: 20px solid transparent;
  border-bottom: 20px solid transparent;
  position: absolute;
  bottom: -40px;
  left: 0;
}

.main-timeline .timeline-content:after{
  border-left: none;
  border-right: 20px solid transparent;
  left: auto;
  right: 0;
}

.main-timeline .icon{
  display: block;
  font-size: 40px;
  color: #fff;
  position: absolute;
  top: 50%;
  left: 20px;
  transform: translateY(-50%);
}

.main-timeline .title{
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 10px 0;
}

.main-timeline .description{
  font-size: 14px;
  color: #fff;
  margin: 0 0 5px 0;
}

.main-timeline .timeline:nth-child(2n){ padding: 0 50px 0 150px; }

.main-timeline .timeline:nth-child(2n):before{
  right: auto;
  left: 0;
}

.main-timeline .timeline:nth-child(2n):after{
  content: "\f0da";
  right: auto;
  left: 110px;
}

.main-timeline .timeline:nth-child(2){ margin-top: 130px; }

.main-timeline .timeline:nth-child(odd){ margin: -130px 0 30px 0; }

.main-timeline .timeline:nth-child(even){ margin-bottom: 80px; }

.main-timeline .timeline:first-child,
.main-timeline .timeline:last-child:nth-child(even){ margin: 0 0 30px 0; }

.main-timeline .timeline:nth-child(2n) .timeline-content{ background: linear-gradient(to right top, #bed056, #8f9a35); }

.main-timeline .timeline:nth-child(3n) .timeline-content{ background: linear-gradient(to right top, #fbd301, #e3a514); }

.main-timeline .timeline:nth-child(4n) .timeline-content{ background: linear-gradient(to right top, #34afbe, #3798a5); }

.main-timeline .timeline:nth-child(5n) .timeline-content{ background: linear-gradient(to right top, #019ed1, #0f2f74); }

@media only screen and (max-width: 1200px){
  .main-timeline .timeline{ padding-left: 0; }
  .main-timeline .timeline:nth-child(2n){ padding-right: 0; }
  .main-timeline .timeline-content{ padding-left: 80px; }
}

@media only screen and (max-width: 990px){
  .main-timeline .timeline{ padding-right: 100px; }
  .main-timeline .timeline:nth-child(2n){ padding-left: 100px; }
  .main-timeline .timeline:before{ width: 70px; }
  .main-timeline .timeline:after{ right: 70px; }
  .main-timeline .timeline:nth-child(2n):after{ left: 70px; }
}

@media only screen and (max-width: 767px){
  .main-timeline:before{
      left: 0;
      transform: translateX(0);
  }
  .main-timeline .timeline,
  .main-timeline .timeline:nth-child(even),
  .main-timeline .timeline:nth-child(odd){
      width: 100%;
      float: none;
      padding: 0 0 0 100px;
      margin: 0 0 50px 0;
  }
  .main-timeline .timeline:before,
  .main-timeline .timeline:nth-child(2n):before{ left: 0; }
  .main-timeline .timeline:after,
  .main-timeline .timeline:nth-child(2n):after{
      content: "\f0da";
      font-family: "Font Awesome 5 Free";font-weight: 900;
      right: auto;
      left: 70px;
  }
}

@media only screen and (max-width: 479px){
  .main-timeline .timeline,
  .main-timeline .timeline:nth-child(even),
  .main-timeline .timeline:nth-child(odd){
      padding: 0 0 0 60px;
  }
  .main-timeline .timeline:before{ width: 30px; }
  .main-timeline .timeline:after,
  .main-timeline .timeline:nth-child(2n):after{ left: 30px; }
}