.timeline {
  /*margin: 0;
  padding: 0;
  box-sizing: border-box;
  background: rgb(4, 62, 121);*/
  position: relative;
  max-width: 1000px;
  margin: 100px auto;
}

.cont {
  padding: 10px 50px;
  position: relative;
  width: 50%;
  animation: movedown 1s linear forwards;
  opacity: 0;
}

@keyframes movedown {
  0% {
    opacity: 1;
    transform: translateY(-30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0px);
  }
}
/*change number of child and seconds depending on number of events*/
.cont:nth-child(2) {
  animation-delay: 1s;
}
.cont:nth-child(3) {
  animation-delay: 2s;
}
.cont:nth-child(4) {
  animation-delay: 3s;
}
.cont:nth-child(5) {
  animation-delay: 4s;
}
.cont:nth-child(6) {
  animation-delay: 5s;
}
.cont:nth-child(7) {
  animation-delay: 6s;
}
.cont:nth-child(8) {
  animation-delay: 7s;
}

.txt {
  padding: 20px 30px;
  background: white;
  position: relative;
  border-radius: 6px;
  font-size: 15px;
}

.left-container {
  right: 10%;
}

.right-container {
  left: 50%;
}

.cont img {
  position: absolute;
  width: 40px;
  border-radius: 50%;
  right: -20px;
  top: 32px;
  z-index: 10;
  background-color: white;
}

.right-container img {
  left: -20px;
}

.timeline::after {
  content: "";
  position: absolute;
  width: 6px;
  height: 100%;
  background: white;
  top: 0;
  left: 50%;
  margin-left: -3px;
  z-index: -1;
  animation: moveline 8s linear forwards; /*change seconds to equal amount of events on timeline */
}

@keyframes moveline {
  0% {
    height: 0;
  }
  100% {
    height: 100%;
  }
}

.txt h2 {
  font-weight: 600;
}

.txt h4 {
  display: inline-block;
  margin-bottom: 15px;
}

.left-container-arrow {
  height: 0;
  width: 0;
  position: absolute;
  top: 28px;
  z-index: 1;
  border-top: 15px solid transparent;
  border-bottom: 15px solid transparent;
  border-left: 15px solid white;
  right: -14px;
}

.right-container-arrow {
  height: 0;
  width: 0;
  position: absolute;
  top: 28px;
  z-index: 1;
  border-top: 15px solid transparent;
  border-bottom: 15px solid transparent;
  border-right: 15px solid white;
  left: -14px;
}

@media screen and (max-width: 600px) {
  .timeline {
    margin: 50px auto;
  }
  .timeline::after {
    left: 31px;
  }
  .container {
    width: 100%;
    padding-left: 80px;
    padding-right: 25px;
  }
  .txt {
    font-size: 13px;
  }
  .txt h4 {
    margin-bottom: 10px;
  }
  .left-container {
    left: 30px;
  }
  .right-container {
    left: 30px;
  }

  .left-container img,
  .right-container img {
    left: -20px;
  }

  .left-container-arrow,
  .right-container-arrow {
    border-right: 15px solid white;
    border-left: 0;
    left: -15px;
  }
}