.main-timeline {
  position: relative;
}

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

.main-timeline:before {
  width: 2px;
  height: 100%;
  background: #e5e9ed;
  margin: 0 auto;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
}

.main-timeline .timeline {
  width: 50%;
  padding-right: 30px;
  float: left;
  position: relative;
}

.main-timeline .timeline:last-child {
  margin-bottom: 0;
}

.main-timeline .timeline:after {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #e5e9ed;
  position: absolute;
  top: 0;
  right: -6px;
  -webkit-transition: all 0.3s ease 0s;
  transition: all 0.3s ease 0s;
}

.main-timeline .timeline:hover:after {
  background: #e3b457;
  -webkit-transform: scale(1.3);
          transform: scale(1.3);
}

.main-timeline .timeline-content {
  padding: 50px 40px;
  background: #e5e9ed;
  position: relative;
  -webkit-transition: all 0.3s ease 0s;
  transition: all 0.3s ease 0s;
}

.main-timeline .timeline-content:hover {
  background: #e3b457;
}

.main-timeline .timeline-content:after {
  content: "";
  border-top: 30px solid #e5e9ed;
  border-right: 15px solid transparent;
  position: absolute;
  top: 0;
  right: -15px;
  -webkit-transition: all 0.3s ease 0s;
  transition: all 0.3s ease 0s;
}

.main-timeline .timeline-content:hover:after {
  border-top-color: #e3b457;
}

.main-timeline .year {
  display: block;
  font-size: 24px;
  color: #e3b457;
  line-height: 32px;
  margin: 0;
  -webkit-transition: all 0.3s ease 0s;
  transition: all 0.3s ease 0s;
}

.main-timeline .post {
  display: block;
  font-size: 20px;
  color: #22272c;
  padding-bottom: 8px;
  margin: 8px 0 15px 0;
  position: relative;
}

.main-timeline .post:after {
  content: "";
  display: block;
  width: 30px;
  border-top: 2px solid #22272c;
  position: absolute;
  bottom: 0;
  left: 0;
  -webkit-transition: all 0.3s ease 0s;
  transition: all 0.3s ease 0s;
}

.main-timeline .timeline-content:hover .post:after {
  border-top-color: #fff;
}

.main-timeline .title {
  font-size: 18px;
  font-weight: 500;
  color: #e3b457;
  text-transform: capitalize;
  -webkit-transition: all 0.3s ease 0s;
  transition: all 0.3s ease 0s;
}

.main-timeline .description {
  font-size: 14px;
  color: #7a7e82;
  line-height: 25px;
}

.main-timeline .timeline-content:hover .year,
.main-timeline .timeline-content:hover .title,
.main-timeline .timeline-content:hover .description {
  color: #fff;
}

.main-timeline .timeline:nth-child(2n) {
  padding: 0 0 0 30px;
  margin-top: 75px;
}

.main-timeline .timeline:nth-child(2n):after {
  right: auto;
  left: -6px;
}

.main-timeline .timeline:nth-child(2n) .timeline-content:after {
  border-left: 15px solid transparent;
  border-right: none;
  left: -15px;
  right: auto;
}

@media only screen and (max-width: 767px) {
  .main-timeline:before {
    margin: 0;
    left: 0;
  }
  .main-timeline .timeline {
    width: 100%;
    float: none;
    padding: 0 0 0 30px;
    margin-bottom: 20px;
  }
  .main-timeline .timeline:after {
    right: auto;
    left: -6px;
  }
  .main-timeline .timeline-content {
    padding: 20px;
  }
  .main-timeline .timeline-content:after {
    border-left: 15px solid transparent;
    border-right: none;
    left: -15px;
    right: auto;
  }
  .main-timeline .timeline:nth-child(2n) {
    margin-top: 0;
  }
}