* {
	box-sizing: border-box;
  }
  
  /* The actual timeline (the vertical ruler) */
  .timeline {
	position: relative;
	max-width: 1200px;
	margin: 0 auto;
  }
  
  /* The actual timeline (the vertical ruler) */
  .timeline::after {
	content: '';
	position: absolute;
	width: 6px;
	background-color: white;
	top: 0;
	bottom: 0;
	left: 50%;
	margin-left: -3px;
  }
  
  /* Container around content */
  .container {
	padding: 10px 40px;
	position: relative;
	background-color: inherit;
	width: 50%;
  }
  
  /* The circles on the timeline */
  .container::after {
	content: '';
	position: absolute;
	width: 25px;
	height: 25px;
	right: -17px;
	background-color: white;
	border: 4px solid #008080;
	top: 15px;
	border-radius: 50%;
	z-index: 1;
  }
  
  /* Place the container to the left */
  .left {
	left: 0;
  }
  
  /* Place the container to the right */
  .right {
	left: 50%;
  }
  
  /* Add arrows to the left container (pointing right) */
  .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 10px;
	border-color: transparent transparent transparent white;
  }
  
  /* Add arrows to the right container (pointing left) */
  .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;
  }
  
  /* Fix the circle for containers on the right side */
  .right::after {
	left: -16px;
  }
  
  /* The actual content */
  .content {
	padding: 20px 30px;
	background-color:white;
	position: relative;
	border-radius: 6px;
  }
  
  /* Media queries - Responsive timeline on screens less than 600px wide */
  @media screen and (max-width: 600px) {
	/* Place the timelime to the left */
	.timeline::after {
	left: 31px;
	}
	
	/* Full-width containers */
	.container {
	width: 100%;
	padding-left: 70px;
	padding-right: 25px;
	}
	
	/* Make sure that all arrows are pointing leftwards */
	.container::before {
	left: 60px;
	border: medium solid white;
	border-width: 10px 10px 10px 0;
	border-color: transparet white transparent transparent;
	}
  
	/* Make sure all circles are at the same spot */
	.left::after, .right::after {
	left: 15px;
	}
	
	/* Make all right containers behave like the left ones */
	.right {
	left: 0%;
	}
  }