.publicationTimeline {
    width: 100%;
    margin: 50px 0;
}

.publicationTimeline__title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 22px;
}

.publicationTimeline__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    background: #fff;
}

.publicationTimeline__item {
    padding: 10px 0 10px 18px;
    text-align: left;
    border-left: 3px solid #52C0AE;
    transition: .25s;
}

.publicationTimeline__info {
    position: relative;
    display: inline-block;
    margin-left: 4px;
    color: #0d6efd;
    cursor: help;
    font-size: .85rem;
}

.publicationTimeline__info::after {

    content: attr(data-tooltip);

    position: absolute;

    left: 50%;
    bottom: 130%;

    transform: translateX(-50%);

    width: 260px;

    padding: 10px 12px;

    border: 1px solid #d8d8d8;

    border-radius: 4px;

    background: #fff;

    color: #333;

    font-size: 13px;

    line-height: 1.5;

    text-align: left;

    box-shadow: 0 4px 14px rgba(0, 0, 0, .12);

    opacity: 0;

    visibility: hidden;

    transition: .2s;

    z-index: 9999;
}

.publicationTimeline__info:hover::after {
    opacity: 1;
    visibility: visible;
}

.publicationTimeline__info::before {

    content: "";

    position: absolute;

    left: 50%;

    bottom: 118%;

    transform: translateX(-50%);

    border-width: 7px;

    border-style: solid;

    border-color: #d8d8d8 transparent transparent transparent;

    opacity: 0;

    visibility: hidden;

    transition: .2s;
}

.publicationTimeline__info:hover::before {
    opacity: 1;
    visibility: visible;
}

.publicationTimeline__item:hover {
    background: #f1f3f5;
}

.publicationTimeline__value {
    font-size: 44px;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1;
}

.publicationTimeline__unit {
    margin-top: 4px;
    font-size: 15px;
    color: #666;
}

.publicationTimeline__label {
    margin-top: 10px;
    font-size: 17px;
    line-height: 1.45;
    color: #222;
}

.publicationTimeline__note {
    margin-top: 24px;
    padding: 14px 18px;

    font-size: 14px;
    line-height: 1.7;

    color: #666;

    background: #fafafa;

    border-left: 4px solid #0b5ed7;
}

@media(max-width:900px) {

    .publicationTimeline__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .publicationTimeline__item:nth-child(2) {
        border-right: none;
    }

    .publicationTimeline__item:nth-child(-n+2) {
        border-bottom: 1px solid #e3e3e3;
    }

}

@media(max-width:520px) {

    .publicationTimeline__grid {
        grid-template-columns: 1fr;
    }

    .publicationTimeline__item {
        border-right: none;
        border-bottom: 1px solid #e3e3e3;
    }

}