h1 {
    text-align: center;
}
h2{
    color: #e69999;
}

* {
    box-sizing: border-box;
    font-family: Quicksand;
}
body {
    background-repeat: repeat;
    font-family: Arial, Helvetica, sans-serif;
}

.timeline {
    position: relative;
    max-width: 1200px;
    margin: 20px;
}

.timeline::after {
    content: ' ';
    position: absolute;
    width: 6px;
    background-color:white;
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -3px;
}
.container {
    padding: 10px 40px;
    position: relative;
    background-color: inherit;
    width: 50%;
}

.container::after {
    content: ' ';
    position: absolute;
    width: 25px;
    height: 25px;
    right: -17px;
    background-color: white;
    border: 4px solid rosybrown;
    top: 15px;
    border-radius: 50%;
    z-index: 1;
}

.left{
    left:0;
}

.right{
    right: 50%;
}

.left::before{
    content: " ";
    height: 0;
    position: absolute;
    top: 22px;
    width: 0;
    z-index: 1;
    right:30px;
    border: medium solid white;
    border-width: 10px 0 10px;
    border-color: transparent transparent transparent white;
}

.right::before {
    content: " ";
    height:0;
    position: absolute;
    top: 22px;
    width: 0;
    z-index: 1;
    left: 30px;
    border: medium solid white;
    border-width: 10px 10px 10px 0;
    border-color: transparent white transparent transparent;
}

.right::after{
    left: -16px;
}
 .content {
     padding: 20px 30px;
     background-color: white;
     position: relative;
     border-radius: 6px;
 }

 .timeline::after {
     left: 31px;
 }

 .container {
     width: 100%;
     padding-left: 70px;
     padding-right: 25px;
 }

 .container::before {
     left: 60px;
     border: medium solid white;
     border-width: 10px 10px 10px 0;
     border-color: transparent white transparent transparent;
 }

 .left::after, .right::after {
     left: 15px;
 }

 .right {
     left:0;
 }