.main-timeline {
  position: relative;
  -webkit-transition: all 0.4s ease 0s;
  transition: all 0.4s ease 0s;
}

.main-timeline:before {
  content: "";
  width: 3px;
  height: 100%;
  background: #1abc9c;
  position: absolute;
  top: 0;
  left: 50%;
}

.main-timeline .timeline {
  margin-bottom: 50px;
  position: relative;
}

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

.main-timeline .timeline-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #1abc9c;
  overflow: hidden;
  margin-left: -23px;
  position: absolute;
  top: 0;
  left: 50%;
  text-align: center;
}

.main-timeline .timeline-icon i {
  font-size: 30px;
  line-height: 50px;
  color: #fff;
}

.main-timeline .timeline-content {
  width: 45%;
  padding: 20px;
  border-radius: 5px;
  background: #fff;
  -webkit-box-shadow: 0 3px 0 rgba(0, 0, 0, 0.1);
  -ms-box-shadow: 0 3px 0 rgba(0, 0, 0, 0.1);
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.1);
  -webkit-transition: all 0.3s ease 0s;
  transition: all 0.3s ease 0s;
}

.main-timeline .timeline-content:before {
  content: "";
  border-left: 7px solid #1abc9c;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
  position: absolute;
  left: 45%;
  top: 20px;
}

.main-timeline .title {
  font-size: 30px;
  font-weight: 300;
  color: #fff;
  padding: 10px;
  background: #1abc9c;
  border-radius: 3px 3px 0 0;
  margin: -20px -20px 10px;
}

.main-timeline .description {
  font-size: 14px;
  color: #726f77;
}

.main-timeline .read-more {
  display: inline-block;
  font-size: 12px;
  color: #64d8c1;
  text-transform: uppercase;
  padding: 5px 15px;
  border: 2px solid #64d8c1;
  position: relative;
  border-radius: 5px;
  -webkit-box-shadow: 2px 2px 0 #64d8c1;
  -ms-box-shadow: 2px 2px 0 #64d8c1;
  box-shadow: 2px 2px 0 #64d8c1;
}

.main-timeline .read-more:hover {
  top: 2px;
  left: 2px;
  -webkit-box-shadow: none;
  box-shadow: none;
}

.main-timeline .timeline-content.right {
  float: right;
}

.main-timeline .timeline-content.right:before {
  content: "";
  right: 45%;
  left: inherit;
  border-left: 0;
  border-right: 7px solid #1abc9c;
}

@media only screen and (max-width: 990px) {
  .main-timeline .title {
    font-size: 25px;
  }

  .main-timeline .timeline-content::before {
    top: 16px;
  }
}

@media only screen and (max-width: 767px) {
  .main-timeline {
    margin-left: 20px;
  }

  .main-timeline:before {
    left: 0;
  }

  .main-timeline .timeline-content {
    width: 90%;
    float: right;
  }

  .main-timeline .timeline-content:before,
  .main-timeline .timeline-content.right:before {
    left: 10%;
    right: inherit;
    margin-left: -6px;
    border-left: 0;
    border-right: 7px solid #1abc9c;
  }

  .main-timeline .timeline-icon {
    left: 0;
  }
}

@media only screen and (max-width: 479px) {
  .main-timeline .timeline-content {
    width: 85%;
  }

  .main-timeline .timeline-content:before,
  .main-timeline .timeline-content.right:before {
    left: 15%;
  }

  .main-timeline .title {
    font-size: 20px;
  }

  .main-timeline .timeline-content:before {
    top: 13px;
  }
}