a.timeline-btn:link {
    color: green;
}

a.timeline-btn:visited {
    color: green;
}

a.timeline-btn:hover {
    color: lightgreen;
}

a.timeline-btn:active {
    color: yellow;
}

a.timeline-btn {
    display: inline;
    margin-bottom: 10px;
}

.tText {
    margin: 15px;
}

/* 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: rgba(52, 58, 64, 1);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -3px;
}

/* Container2 around content */

.container2 {
    padding: 10px 40px;
    position: relative;
    background-color: inherit;
    width: 50%;
}

/* The circles on the timeline */

.container2::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 25px;
    right: -17px;
    background-color: rgba(52, 58, 64, 1);
    border: 4px solid grey;
    top: 15px;
    border-radius: 50%;
    z-index: 1;
}

/* Place the container2 to the left */

.left {
    left: 0;
}

/* Place the container2 to the right */

.right {
    left: 50%;
}

/* Add arrows to the left container2 (pointing right) */

.left::before {
    content: " ";
    height: 0;
    position: absolute;
    top: 22px;
    width: 0;
    z-index: 1;
    right: 30px;
    border: medium solid grey;
    border-width: 10px 0 10px 10px;
    border-color: transparent transparent transparent rgba(52, 58, 64, 0.8);
}

/* Add arrows to the right container2 (pointing left) */

.right::before {
    content: " ";
    height: 0;
    position: absolute;
    top: 22px;
    width: 0;
    z-index: 1;
    left: 30px;
    border: medium solid grey;
    border-width: 10px 10px 10px 0;
    border-color: transparent rgba(52, 58, 64, 0.8) transparent transparent;
}

/* Fix the circle for container2s on the right side */

.right::after {
    left: -12px;
}

.left::after {
    right: -12px;
}

/* The actual content */

.content {
    padding: 20px 30px;
    background-color: rgba(52, 58, 64, 0.8);
    position: relative;
    border-radius: 6px;
}

/* Media queries - Responsive timeline on screens less than 600px wide */

@media all and (max-width: 600px) {
    /* Place the timelime to the left */
    .timeline::after {
        left: 28px;
    }
    /* Full-width container2s */
    .container2 {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }
    /* Make sure that all arrows are pointing leftwards */
    .container2::before {
        left: 60px;
        border: medium solid grey;
        border-width: 10px 10px 10px 0;
        border-color: transparent rgba(52, 58, 64, 0.8) transparent transparent;
    }
    /* Make sure all circles are at the same spot */
    .left::after, .right::after {
        left: 15px;
    }
    /* Make all right container2s behave like the left ones */
    .right {
        left: 0%;
    }
}

.tBottom {
    background-color: rgba(52, 58, 64, 0.8);
    margin-left: -30px;
    margin-right: -30px;
    margin-bottom: -20px;
    margin-top: 20px;
    height: 30px;
    padding: 5px;
    padding-left: 10px;
    color: grey;
    top: 15px;
    border-bottom-left-radius: 6px;
    border-bottom-right-radius: 6px;
}

.timeTag {
    visibility: hidden;
    position: absolute;
    top: 120px;
    left: 250px;
    z-index: 0;
}

.tType {
    text-align: right;
    color: grey;
    margin: 0;
    margin-right: 5px;
    margin-bottom: 5px;
    margin-top: -25px;
    padding: 0;
}

.checked {
    color: orange;
}