.main-timeline:before,
.main-timeline:after {
  content: "";
  display: block;
  width: 100%;
  clear: both;
}

.main-timeline .timeline {
  padding: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.main-timeline .timeline-inner {
  text-align: center;
  margin: 20px 20px 35px 35px;
  position: relative;
}

.main-timeline .timeline-inner:after {
  content: "";
  width: 120%;
  height: 3px;
  background: #555;
  position: absolute;
  bottom: 0;
  left: 10%;
}

.main-timeline .timeline:last-child .timeline-inner:after {
  width: 0;
}

.main-timeline .year {
  background: #58b25e;
  padding: 5px 0;
  border-radius: 30px 0 30px 0;
  font-size: 26px;
  font-weight: bold;
  color: #fff;
  z-index: 1;
  position: relative;
}

.main-timeline .year:before {
  content: "";
  position: absolute;
  top: -19px;
  right: 0;
  border: 10px solid transparent;
  border-bottom: 10px solid #58b25e;
  border-right: 10px solid #58b25e;
}

.main-timeline .year:after {
  content: "";
  width: 25px;
  height: 19px;
  border-radius: 0 0 20px 0;
  background: #fff;
  position: absolute;
  right: 1px;
  top: -19px;
}

.main-timeline .timeline-content {
  padding: 10px 10px 30px 10px;
  border-left: 3px solid #58b25e;
  position: relative;
}

.main-timeline .timeline-content:before {
  content: "";
  position: absolute;
  top: 0;
  left: -1px;
  border: 10px solid transparent;
  border-top: 10px solid #58b25e;
  border-left: 10px solid #58b25e;
}

.main-timeline .timeline-content:after {
  content: "";
  width: 25px;
  height: 19px;
  border-radius: 20px 0 0 0;
  background: #fff;
  position: absolute;
  top: 0;
  left: 0;
}

.main-timeline .post {
  font-size: 26px;
  color: #333;
}

.main-timeline .description {
  font-size: 14px;
  color: #333;
}

.main-timeline .timeline-icon {
  width: 70px;
  height: 70px;
  line-height: 65px;
  border-radius: 50%;
  border: 5px solid #58b25e;
  background: #fff;
  font-size: 30px;
  color: #555;
  z-index: 1;
  position: absolute;
  bottom: -35px;
  left: -35px;
}

.main-timeline .timeline:nth-child(2n) .year {
  background: #9f84c4;
}

.main-timeline .timeline:nth-child(2n) .year:before {
  border-bottom-color: #9f84c4;
  border-right-color: #9f84c4;
}

.main-timeline .timeline:nth-child(2n) .timeline-content {
  border-left-color: #9f84c4;
}

.main-timeline .timeline:nth-child(2n) .timeline-content:before {
  border-top-color: #9f84c4;
  border-left-color: #9f84c4;
}

.main-timeline .timeline:nth-child(2n) .timeline-icon {
  border-color: #9f84c4;
}

.main-timeline .timeline:nth-child(3n) .year {
  background: #f35958;
}

.main-timeline .timeline:nth-child(3n) .year:before {
  border-bottom-color: #f35958;
  border-right-color: #f35958;
}

.main-timeline .timeline:nth-child(3n) .timeline-content {
  border-left-color: #f35958;
}

.main-timeline .timeline:nth-child(3n) .timeline-content:before {
  border-top-color: #f35958;
  border-left-color: #f35958;
}

.main-timeline .timeline:nth-child(3n) .timeline-icon {
  border-color: #f35958;
}

.main-timeline .timeline:nth-child(4n) .year {
  background: #e67e49;
}

.main-timeline .timeline:nth-child(4n) .year:before {
  border-bottom-color: #e67e49;
  border-right-color: #e67e49;
}

.main-timeline .timeline:nth-child(4n) .timeline-content {
  border-left-color: #e67e49;
}

.main-timeline .timeline:nth-child(4n) .timeline-content:before {
  border-top-color: #e67e49;
  border-left-color: #e67e49;
}

.main-timeline .timeline:nth-child(4n) .timeline-icon {
  border-color: #e67e49;
}

@media only screen and (max-width: 990px) {
  .main-timeline .timeline-inner:after {
    width: 110%;
  }
  .main-timeline .timeline:nth-child(2n) .timeline-inner:after {
    width: 0;
  }
}

@media only screen and (max-width: 767px) {
  .main-timeline .timeline {
    margin-bottom: 50px;
  }
  .main-timeline .timeline-inner:after,
  .main-timeline .timeline:nth-child(2n) .timeline-inner:after {
    width: 100%;
    height: 3px;
    left: 0;
  }
}