/* Taken from: https://www.w3schools.com/howto/howto_css_timeline.asp */

* {
    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: #2E3440;
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -3px;
}


/* Container around content */

.timeline-container {
    padding: 10px 40px;
    position: relative;
    background-color: inherit;
    width: 50%;
}


/* The circles on the timeline */

.timeline-container::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 25px;
    right: -17px;
    background-color: #2E3440;
    border: 4px solid #2E3440;
    top: 15px;
    border-radius: 50%;
    z-index: 2;
}


/* 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 #88C0D0;
    border-width: 10px 0 10px 10px;
    border-color: transparent transparent transparent #88C0D0;
}


/* 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 #88C0D0;
    border-width: 10px 10px 10px 0;
    border-color: transparent #88C0D0 transparent transparent;
}


/* Fix the circle for containers on the right side */

.right::after {
    left: -16px;
}


/* The actual content */

.timeline-content {
    padding: 20px 30px;
    background-color: #88C0D0;
    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 #88C0D0;
        border-width: 10px 10px 10px 0;
        border-color: transparent #88C0D0 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%;
    }
}
