.timeline_bg {
  position: relative;
  width: 100%;
  height: 350px;
  background-image: linear-gradient(rgba(0,0,0,0.2),rgba(0,0,0,0.4)), url(../images/cover4.jpg);
  background-attachment: fixed;
  background-size: cover;
  -moz-background-size: cover;
  -webkit-background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
}

.timeline {
  margin: 90px auto 0;
  position: relative;
  max-width: 45%;
}
.timeline:before {
  background-color: black;
  content: '';
  margin-left: -1px;
  position: absolute;
  top: 10px;
  left: 50px;
  width: 1px;
  height: 100%;
}
.timeline-event {
  position: relative;
}
.timeline-event-thumbnail {
  font-size: 15px;
  margin: 0 0 20px;
  line-height: 24px;
}
.timeline-event:hover .timeline-event-icon {
  -moz-transform: rotate(-45deg);
  -ms-transform: rotate(-45deg);
  -webkit-transform: rotate(-45deg);
  transform: rotate(-45deg);
  background-color: #63a7dc;
}
.timeline-event:hover .timeline-event-thumbnail {
  -moz-box-shadow: inset 40em 0 0 0 #63a7dc;
  -webkit-box-shadow: inset 40em 0 0 0 #63a7dc;
  box-shadow: inset 40em 0 0 0 #63a7dc;
}
.timeline-event-copy {
  padding: 25px;
  position: relative;
  top: -28px;
  left: 73px;
  width: 100%;
}
.timeline-event-copy h3 {
  color: #63a7dc;
  font-size: 50px;
  position: absolute;
  top: 18px;
  left: -180px;
}
.timeline-event-copy p {
  font-size: 15px;
  margin: 0 0 20px;
  line-height: 24px;
}
.timeline-event-copy li {
  width: 100%;
  font-size: 15px;
  line-height: 24px;
  list-style: disc;
  margin: 0 0 6px 15px;
  padding: 0;
}
.timeline-event-icon {
  -moz-transition: -moz-transform 0.2s ease-in;
  -o-transition: -o-transform 0.2s ease-in;
  -webkit-transition: -webkit-transform 0.2s ease-in;
  transition: transform 0.2s ease-in;
  -moz-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
  background-color: black;
  /*outline: 10px solid white;*/
  display: block;
  position: absolute;
  top: 6px;
  left: 43.5px;
  width: 12px;
  height: 12px;
}
.timeline-event-thumbnail {
  -moz-transition: box-shadow 0.5s ease-in 0.1s;
  -o-transition: box-shadow 0.5s ease-in 0.1s;
  -webkit-transition: box-shadow 0.5s ease-in;
  -webkit-transition-delay: 0.1s;
  transition: box-shadow 0.5s ease-in 0.1s;
  color: white;
  background-color: #808b9a;
  -moz-box-shadow: inset 0 0 0 0em #ddd;
  -webkit-box-shadow: inset 0 0 0 0em #ddd;
  box-shadow: inset 0 0 0 0em #ddd;
  display: inline-block;
  padding: 6px 25px 4px;
  border-radius: 20px;
}
.timeline-pic img {
  width: 100%;
  max-width: 500px;
  border-radius: 10px;
  margin-top: 20px;
}

@media screen and (max-width: 768px) {
  .timeline {
    max-width: 65%;
  }
  .timeline-event-copy {
    left: 60px;
  }
  .timeline-event-copy h3 {
    font-size: 42px;
    top: 22px;
    left: -130px;
  }
}

@media screen and (max-width: 580px) {
  .timeline {
    margin: 60px auto 0;
  }
  .timeline-event-copy {
    padding: 25px 10px;
    width: 90%;
  }
  .timeline-event-copy h3 {
    left: -120px;
  }
  .timeline-event-icon {
    width: 10px;
    height: 10px;
  }
}