* {
    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: #fff;
    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: #000;
    border: 4px solid #fff;
    top: 15px;
    border-radius: 50%;
    z-index: 1;
}

/* Place the container to the left */
.left {
    left: 0;
}

.right {
    left: 50%;
}


.left::before {
    content: " ";
    height: 0;
    position: absolute;
    top: 22px;
    width: 0;
    z-index: 1;
    right: 30px;
    border: 2px solid #fff;
    border-width: 10px 0 10px 10px;
    border-color: transparent transparent transparent #fff;

}

/* 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 #fff transparent transparent;

    }

/* Fix the circle for containers on the right side */
.right::after {
    left: -16px;
}
  
/* The actual content */
.content {
    padding: 20px 30px;
    background-color: #fff;
    position: relative;
    border-radius: 6px;
}

.container h3 {
    color: #000;
    font-size: 20px;
    margin: 10px 0;
}

.container p {
    color: #000;
    font-size: 16px;
}
.content ol {
    color: #000;
}
.content ol li{
    color: #000;
    padding-left: 20px;
}

/* 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: transparent #fff 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%;
    }

}