.timeline_section {
    --timeline-spacing: 40px;
}
.tineline-description {
    display: none;
}
.tineline-description.actived {
    display: block;
}
.timeline-box {
    margin-bottom: 30px;
    position: relative;
}
.timeline-year-wrapper {
    display: flex;
    position: relative;
    z-index: 9;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-top: var(--timeline-spacing);
    overflow-y: clip;
}
.timeline-box::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 5px;
    background-color: #fff;
    left: 0;
    bottom: calc(var(--timeline-spacing) / 2 - 2.5px);
    z-index: 1;
}
.timeline-item {
    position: relative;
    height: 36px;
    flex: 0 0 17%;
    text-align: center;
}
.timeline-item .dot {
    width: 36px;
    height: 36px;
    display: inline-block;
    background-color: #fff;
    border-radius: 50%;
    border: 4px solid #1E2159;
    cursor: pointer;
    transition: background-color 0.3s linear;
}
.timeline-item.actived .dot, .timeline-item .dot:hover {
    background-color: var(--secondary-color);
}
.timeline-year {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: -16px;
    font-size: 20px;
    font-weight: 600;
    top: calc(var(--timeline-spacing) * -1);
	width: 100%;
}

@media screen and (max-width: 992px) {
    .timeline-item {
        flex: 0 0 15%;
    }
}
@media screen and (max-width: 576px) {
    .timeline-item {
        flex: 0 0 33.333%;
    }

    .timeline-year {
        font-size: 16px;
    }
}