body {
  background-color: #3065d0;
}
.card {
  height: 110px;
  width: 140px;
  background: #fff;
  display: block;
  margin: 50px auto;
  border-radius: 5px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  transition: all 0.2s ease-in-out;
  border: none;
}

.bg-yellow {
  background-color: #ffd54f;
}
.text-yellow {
  color: #ffd54f;
}
.card-header {
  background-color: #37474f;
  color: white;
}

.main-timeline {
  font-family: "Poppins", sans-serif;
}
.main-timeline:after {
  content: "";
  display: block;
  clear: both;
}
.main-timeline .timeline {
  width: calc(50% + 745px);
  margin: 0 0 25px 5px;
  float: right;
}
.main-timeline .timeline-content {
  color: #555;
  background: #fff;
  padding: 50px 15px 50px 290px;
  border-radius: 20px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
  display: block;
  position: relative;
  width: 300px;
}
.main-timeline .timeline-content:hover {
  text-decoration: none;
}
.main-timeline .timeline-content:before {
  content: "";
  background-color: #fff;
  height: 100%;
  width: 120px;
  position: absolute;
  left: 140px;
  top: 0;
}
.main-timeline .timeline-year {
  color: #37474f;
  font-size: 70px;
  font-weight: 700;
  line-height: 43px;
  transform: translateY(-50%);
  position: absolute;
  left: 45px;
  top: 50%;
}
.main-timeline .timeline-icon {
  color: #fff;
  font-size: 50px;
  font-weight: 600;
  text-align: center;
  line-height: 50px;
  width: 120px;
  transform: translateY(-50%);
  position: absolute;
  left: 140px;
  top: 50%;
  transform-origin: -50% bottom;
  height: 100%;
}
.main-timeline .title {
  font-size: 23px;
  font-weight: 500;
  text-transform: capitalize;
  margin: 0 0 7px;
}
.main-timeline .description {
  font-size: 14px;
  line-height: 20px;
  letter-spacing: 0.5px;
  margin: 0;
}
.main-timeline .timeline:nth-child(even) {
  margin: 0 5px 25px 0;
  float: left;
}
.main-timeline .timeline:nth-child(even) .timeline-content {
  padding: 50px 280px 50px 20px;
  margin-left: 105px;
}
.main-timeline .timeline:nth-child(even) .timeline-content:before {
  left: auto;
  right: 139px;
}
.main-timeline .timeline:nth-child(even) .timeline-year {
  left: auto;
  right: 45px;
}
.main-timeline .timeline:nth-child(even) .timeline-icon {
  left: auto;
  right: 139px;
}
.main-timeline .timeline:nth-child(4n + 2) .timeline-content:before {
  background-color: #fff;
}
.main-timeline .timeline:nth-child(4n + 2) .timeline-year {
  color: #37474f;
}
.main-timeline .timeline:nth-child(4n + 3) .timeline-content:before {
  background-color: #fff;
}
.main-timeline .timeline:nth-child(4n + 3) .timeline-year {
  color: #37474f;
}
.main-timeline .timeline:nth-child(4n + 4) .timeline-content:before {
  background-color: #fff;
}
.main-timeline .timeline:nth-child(4n + 4) .timeline-year {
  color: #37474f;
}
@media screen and (max-width: 767px) {
  .main-timeline .timeline,
  .main-timeline .timeline:nth-child(even) {
    width: 100%;
    margin: 0 0 30px;
  }
  .main-timeline .timeline-content,
  .main-timeline .timeline:nth-child(even) .timeline-content {
    text-align: center;
    padding: 200px 15px 15px 15px;
  }
  .main-timeline .timeline-content:before,
  .main-timeline .timeline:nth-child(even) .timeline-content:before {
    width: 100%;
    height: 100px;
    transform: translateX(-50%) translateY(0);
    left: 50%;
    right: auto;
    top: 80px;
  }
  .main-timeline .timeline-year,
  .main-timeline .timeline:nth-child(even) .timeline-year {
    transform: translateY(0) translateX(-50%);
    left: 50%;
    right: auto;
    top: 20px;
  }
  .main-timeline .timeline-icon,
  .main-timeline .timeline:nth-child(even) .timeline-icon {
    width: auto;
    transform: translateY(0) translateX(-50%);
    left: 50%;
    right: auto;
    top: 105px;
  }
}

.box {
  height: 100%;
  width: 100%;
  background-color: #ffd54f;
  transform-origin: 50% bottom;
  animation-duration: 15s;
  animation-fill-mode: forwards;
}

.animation-box {
  animation-name: anim;
}

.pause {
  animation-play-state: paused;
}

.continue {
  animation-play-state: running;
}

.b4 {
  animation-delay: 0;
}

.b3 {
  animation-delay: 10s;
}

.b2 {
  animation-delay: 20s;
}

.b1 {
  animation-delay: 30s;
}

@keyframes anim {
  0% {
    transform: scaleY(1);
  }
  100% {
    transform: scaleY(0);
  }
}