.main-timeline:after {
  content: '';
  display: block;
  clear: both;
}

.main-timeline .timeline {
  width: calc(50% + 70px);
  margin: 0 5px 0 0;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  float: left;
}

.main-timeline .timeline-content {
  color: #555;
  background: #fff;
  min-height: 130px;
  padding: 30px 150px 30px 30px;
  border-top: none;
  display: block;
  position: relative;
}

.main-timeline .timeline-content:before {
  content: "";
  background-color: #00C6DA;
  height: 100%;
  width: 70px;
  position: absolute;
  top: 0;
  right: 0;
}

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

.main-timeline .timeline-icon {
  color: #fff;
  font-size: 40px;
  line-height: 40px;
  transform: translateY(-50%);
  position: absolute;
  top: 50%;
  right: 16px;
}

.main-timeline .timeline-year {
  color: #333;
  font-size: 40px;
  font-weight: 700;
  line-height: 40px;
  text-align: center;
  transform: translateY(-50%) translateX(50%) rotate(90deg);
  position: absolute;
  top: 50%;
  right: 100px;
}

.main-timeline .title {
  color: #00C6DA;
  font-size: 23px;
  font-weight: 600;
  text-transform: uppercase;
  margin: 0 0 5px;
}

.main-timeline .description {
  /*font-size: 14px;*/
  margin: 0;
}

.main-timeline .timeline:nth-child(even) {
  float: right;
  margin: 0 0 0 5px;
}

.main-timeline .timeline:nth-child(even) .timeline-content {
  padding: 30px 30px 30px 150px;
}

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

.main-timeline .timeline:nth-child(even) .timeline-icon {
  right: auto;
  left: 10px;
}

.main-timeline .timeline:nth-child(even) .timeline-year {
  right: auto;
  left: 100px;
  transform: translateX(-50%) translateY(-50%) rotate(90deg);
}

.main-timeline .timeline:nth-child(4n + 2) .timeline-content:before {
  background-color: #00A6F9;
}

.main-timeline .timeline:nth-child(4n + 2) .title {
  color: #00A6F9;
}

.main-timeline .timeline:nth-child(4n + 3) .timeline-content:before {
  background-color: #FF3E7D;
}

.main-timeline .timeline:nth-child(4n + 3) .title {
  color: #FF3E7D;
}

.main-timeline .timeline:nth-child(4n + 4) .timeline-content:before {
  background-color: #7438B9;
}

.main-timeline .timeline:nth-child(4n + 4) .title {
  color: #7438B9;
}

@media screen and (max-width:767px) {
  .main-timeline .timeline, .main-timeline .timeline:nth-child(even) {
    width: 100%;
    margin: 0 0 30px;
  }
}

@media screen and (max-width:576px) {
  .main-timeline .timeline .timeline-content, .main-timeline .timeline:nth-child(even) .timeline-content {
    text-align: center;
    padding: 130px 25px 25px;
  }
}

@media screen and (max-width:576px) {
  .main-timeline .timeline .timeline-content:before, .main-timeline .timeline:nth-child(even) .timeline-content:before {
    height: 70px;
    width: 100%;
  }
}

@media screen and (max-width:576px) {
  .main-timeline .timeline-icon, .main-timeline .timeline:nth-child(even) .timeline-icon {
    transform: translateY(0) translateX(-50%);
    top: 16px;
    left: 50%;
    right: auto;
  }
}

@media screen and (max-width:576px) {
  .main-timeline .timeline-year, .main-timeline .timeline:nth-child(even) .timeline-year {
    transform: translateY(0) translateX(-50%);
    top: 80px;
    left: 50%;
    right: auto;
  }
}