/****************************************************
    Timeline Container & Center Line
****************************************************/
.timeline {
    position: relative;
    margin: 2rem 0;
    padding: 2rem 0 2rem;
}

.timeline::after {
    content: "";
    display: block;
    clear: both;
}

.timeline::before {
    content: "";
    position: absolute;
    display: block;
    clear: both;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background-color: #0d6efd;
    transform: translateX(-50%);
    z-index: 1;
}

/****************************************************
    NOW Label at Top, Earliest Date at Bottom
****************************************************/
.timeline-label {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    background-color: #fff;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    font-weight: 600;
}

.timeline-label-top {
    top: 0;
}

.timeline-label-bottom {
    bottom: 0;
}

/****************************************************
    Timeline Items
****************************************************/
.timeline-item {
    position: relative;
    width: 40%;
    margin: 3rem 0;
    padding: 1rem;
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,.1);
    border-radius: 5px;
    z-index: 2;
    clear: both;
}

/****************************************************
    Left vs. Right Columns
****************************************************/
.timeline-left {
    float: left;
    width: 40%;
    margin-left: 5%;
    margin-right: 0;
    position: relative;
}

.timeline-left::before {
    content: "";
    position: absolute;
    top: 50%;
    right: -12.5%;
    transform: translateY(-50%);
    width: 12.5%;
    height: 2px;
    background: #0d6efd;
}

.timeline-right {
    float: right;
    width: 40%;
    margin-right: 5%;
    margin-left: 0;
    position: relative;
}

.timeline-right::before {
    content: "";
    position: absolute;
    top: 50%;
    left: -12.5%;
    transform: translateY(-50%);
    width: 12.5%;
    height: 2px;
    background: #0d6efd;
}


/****************************************************
    Responsive for Smaller Screens
****************************************************/
@media (max-width: 768px) {
    .timeline::before {
        background-color: transparent;
    }
    .timeline-label-top,
    .timeline-label-bottom {
        position: static;
        left: auto;
        transform: none;
        margin: 0 auto 1rem auto;
        display: block;
        text-align: center;
    }
    .timeline-item,
    .timeline-left,
    .timeline-right {
        float: none;
        width: 100%;
        margin: 1.5rem auto;
    }
    .timeline-left::before,
    .timeline-right::before {
        display: none;
    }
}