.timeline {
    line-height: 1.4em;
    list-style: none;
    margin: 0;
    padding: 0;
    width: 100%;
    h1, h2, h3, h4, h5, h6 {
        line-height: inherit;
    }
}

.timeline-item {
    padding-left: 40px;
    position: relative;
    &:last-child {
        padding-bottom: 0;
    }
}

.timeline-info {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 3px;
    margin: 0 0 .5em 0;
    text-transform: uppercase;
    white-space: nowrap;
}

.timeline-marker {
    position: absolute;
    top: 0; bottom: 0; left: 0;
    width: 15px;
    --before {
        background: var(--primary-color);
        border: 3px solid transparent;
        border-radius: 100%;
        content: "";
        display: block;
        height: 15px;
        position: absolute;
        top: 4px; left: 0;
        width: 15px;
        transition: var(--primary-color) 0.3s ease-in-out,
                border 0.3s ease-in-out;
    }
    &:after {
        content: "";
        width: 3px;
        background: #CCD5DB;
        display: block;
        position: absolute;
        top: 24px; bottom: 0; left: 6px;
    }
    .timeline-item:last-child &:after {
        content: none;
    }
}
.timeline-item:not(.period):hover .timeline-marker:before {
    background: transparent;
    border: 3px solid var(--primary-color);
}