.main-timeline .timeline {
  padding: 0 2px;
  position: relative;
}

.main-timeline .timeline-icon {
  display: block;
  text-align: center;
  padding: 20px 0 55px 0;
  z-index: 1;
  position: relative;
}

.main-timeline .timeline:nth-child(2n) .timeline-icon {
  padding: 55px 0 20px 0;
}

.main-timeline .timeline-icon:before {
  content: "";
  width: 1px;
  height: 75%;
  background: #39ae99;
  margin: 0 auto;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: -1;
  -webkit-transition: all 0.3s ease 0s;
  transition: all 0.3s ease 0s;
}

.main-timeline .timeline:nth-child(2n) .timeline-icon:before {
  bottom: auto;
  top: 0;
}

.main-timeline .timeline:hover .timeline-icon:before {
  background: #555;
}

.main-timeline .timeline-icon i {
  width: 45px;
  height: 45px;
  line-height: 45px;
  border-radius: 50%;
  background: #39ae99;
  font-size: 14px;
  color: #fff;
  -webkit-transition: all 0.3s ease 0s;
  transition: all 0.3s ease 0s;
}

.main-timeline .timeline:hover .timeline-icon i {
  background: #555;
  -webkit-animation: icon-load 2.5s ease 0s infinite;
          animation: icon-load 2.5s ease 0s infinite;
}

.main-timeline .border {
  height: 15px;
  background: #39ae99;
  margin-bottom: 20px;
  -webkit-transition: all 0.3s ease 0s;
  transition: all 0.3s ease 0s;
}

.main-timeline .timeline:hover .border {
  background: #555;
}

.main-timeline .timeline:first-child .border {
  border-radius: 4px 0 0 4px;
}

.main-timeline .timeline:last-child .border {
  border-radius: 0 4px 4px 0;
}

.main-timeline .timeline:nth-child(2n) .border {
  margin: 18px 0 0 0;
}

.main-timeline .timeline-content {
  padding: 15px;
  border: 1px solid #ddd;
  background: #f9f9f9;
  border-radius: 3px;
  -webkit-transition: all 0.3s ease 0s;
  transition: all 0.3s ease 0s;
}

.main-timeline .timeline:hover .timeline-content {
  background: #555;
}

.main-timeline .title {
  font-size: 18px;
  font-weight: 700;
  color: #39ae99;
  text-transform: uppercase;
  margin: 0 0 10px 0;
  -webkit-transition: all 0.3s ease 0s;
  transition: all 0.3s ease 0s;
}

.main-timeline .timeline:hover .title {
  color: #fff;
}

.timeline-content .description {
  font-size: 14px;
  color: #888;
  margin: 0;
  -webkit-transition: all 0.3s ease 0s;
  transition: all 0.3s ease 0s;
}

.main-timeline .timeline:hover .description {
  color: #fff;
}

@-webkit-keyframes icon-load {
  0% {
    -webkit-transform: rotate(-12deg);
            transform: rotate(-12deg);
  }
  8% {
    -webkit-transform: rotate(12deg);
            transform: rotate(12deg);
  }
  10% {
    -webkit-transform: rotate(24deg);
            transform: rotate(24deg);
  }
  18%, 20% {
    -webkit-transform: rotate(-24deg);
            transform: rotate(-24deg);
  }
  28%, 30% {
    -webkit-transform: rotate(24deg);
            transform: rotate(24deg);
  }
  38%, 40% {
    -webkit-transform: rotate(-24deg);
            transform: rotate(-24deg);
  }
  48%, 50% {
    -webkit-transform: rotate(24deg);
            transform: rotate(24deg);
  }
  58%, 60% {
    -webkit-transform: rotate(-24deg);
            transform: rotate(-24deg);
  }
  68% {
    -webkit-transform: rotate(24deg);
            transform: rotate(24deg);
  }
  100%, 75% {
    -webkit-transform: rotate(0deg);
            transform: rotate(0deg);
  }
}

@keyframes icon-load {
  0% {
    -webkit-transform: rotate(-12deg);
            transform: rotate(-12deg);
  }
  8% {
    -webkit-transform: rotate(12deg);
            transform: rotate(12deg);
  }
  10% {
    -webkit-transform: rotate(24deg);
            transform: rotate(24deg);
  }
  18%, 20% {
    -webkit-transform: rotate(-24deg);
            transform: rotate(-24deg);
  }
  28%, 30% {
    -webkit-transform: rotate(24deg);
            transform: rotate(24deg);
  }
  38%, 40% {
    -webkit-transform: rotate(-24deg);
            transform: rotate(-24deg);
  }
  48%, 50% {
    -webkit-transform: rotate(24deg);
            transform: rotate(24deg);
  }
  58%, 60% {
    -webkit-transform: rotate(-24deg);
            transform: rotate(-24deg);
  }
  68% {
    -webkit-transform: rotate(24deg);
            transform: rotate(24deg);
  }
  100%, 75% {
    -webkit-transform: rotate(0deg);
            transform: rotate(0deg);
  }
}

@media only screen and (max-width: 990px) {
  .main-timeline .timeline {
    margin-bottom: 20px;
  }
}

@media only screen and (max-width: 767px) {
  .main-timeline .timeline-icon {
    padding-top: 0;
  }
  .main-timeline .timeline:nth-child(2n) .timeline-icon {
    padding-bottom: 0;
  }
  .main-timeline .border {
    margin-bottom: 10px;
  }
  .main-timeline .timeline:nth-child(2n) .border {
    margin: 10px 0 0 0;
  }
  .main-timeline .timeline-content {
    text-align: center;
  }
}