/* CSS Document */
<style>
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font: normal 16px/1.5 'Titillium Web', sans-serif;
  background:  #fbfbfb;
  color: #3c3f64;
  overflow-x: hidden;

}

.timeline ul li {
  list-style-type: none;
position: relative;
width: 2px;
margin: 0 auto;
padding-top: 50px;
background: #d9d7d7;
}
.timeline ul li::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%) rotate(45deg);
  width: 20px;
  height: 20px;
  z-index: 2;
  background: #eee;
}
.timeline ul li div {
  position: relative;
  bottom: 0;
  width: 400px;
  padding: 25px;
  background: #fff;
  box-shadow: 4px 13px 30px 1px rgba(208, 201, 201, 0.2);
  border-radius: 5px;
  display: flex;
  align-items: center;
  font-size: 13px;
  line-height: 25px;
}
.timeline ul li div time {
  position: absolute;
background: #0091c7;
width: 100px;
height: 35px;
top: -19px;
border-radius: 5px;
display: flex;
justify-content: center;
align-items: center;
letter-spacing: 2px;
color: #fff;
  font-size:18px;
  font-weight: 500;
}
.timeline ul li div div {
  height: 100px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.timeline ul li div div p {
  text-align: center;
}
.timeline ul li div .discovery {
  margin-right: 10px;
}
.timeline ul li:nth-of-type(odd) > div {
  left: 45px;
}
.timeline ul li:nth-of-type(even) > div {
  left: -439px;
}

.timeline ul li div {
  visibility: hidden;
  opacity: 0;
  transition: all 0.5s ease-in-out;
}
.timeline ul li:nth-of-type(odd) div {
  transform: translate3d(100px, -10px, 0) rotate(10deg);
}
.timeline ul li:nth-of-type(even) div {
  transform: translate3d(-100px, -10px, 0) rotate(10deg);
}
.timeline ul li.in-view div {
  transform: none;
  visibility: visible;
  opacity: 1;
}

@media screen and (max-width: 900px) {
  .timeline ul li div {
    width: 250px;
    flex-direction: column;
  }
  .timeline ul li div div {
    width: 80%;
    margin: 10px;
  }
  .timeline ul li:nth-of-type(even) > div {
    left: -289px;
  }
}
@media screen and (max-width: 600px) {
  body {
    background: #fbfbfb;
  }

  .timeline ul li {
    margin-left: 20px;
  }
  .timeline ul li div {
    width: calc(100vw - 91px);
  }
  .timeline ul li:nth-of-type(even) > div {
    left: 45px;
  }
}