* {
    box-sizing: border-box;
}

body {
    font-family: "Open Sans", sans-serif;
    font-size: 14px;
    padding: 0;
    margin: 0;
}

.container {
    height: 100%;
    background-color: #003471;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.title {
    font-size: 38px;
    color: #fff;
    font-weight: 300;
}

.timeline {
    width: 100%;
    position: relative;
    margin-top: 100px;
}

.timeline-nav__item {
    width: auto;
    height: auto;
    text-align: center;
    opacity: 0.5;
    background: transparent;
    color: #afc9f6;
    margin: 15px 25px !important;
    position: relative;
    font-size: 14px;
    line-height: 28px;
    font-weight: 400;
    outline: none;
    cursor: pointer;
}

.timeline-nav__item::before {
    content: "";
    position: absolute;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 10px;
    height: 10px;
    border-radius: 100%;
    background-color: #afc9f6;
    transition: 0.2s;
}

.timeline-nav__item.slick-current {
    color: #ff9900;
    opacity: 1;
}

.timeline-nav__item.slick-current::before {
    background-color: #ff9900;
}

.timeline-wrapper {
    position: relative;
    width: 100%;
    height: 580px;
    margin: 60px auto;
}

@media (max-width: 500px) {
    .timeline-wrapper {
        height: 1000px;
        max-height: 900px;
    }
}

.timeline-slider {
    height: 100%;
}

.timeline .slick-list {
    height: 100%;
}

@media (min-width: 1080px) {
    .timeline .slick-list {
        padding: 0 180px !important;
    }
}

.timeline .slick-track {
    height: 100%;
}

.timeline-slide {
    position: relative;
    overflow: hidden;
    background-repeat: no-repeat;
    outline: none;
    background-size: auto 400px, cover;
    background-position: top;
    margin: 0 24px;
    width: 80%;
    z-index: 1;
}

.timeline-slide:after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 52, 113, 0.8);
    z-index: 2;
}

.timeline-slide__content {
    z-index: 5;
    position: absolute;
    top: 220px;
    background: #ffffff;
    width: 80%;
    left: 50%;
    transform: translate(-50%, 0px);
    padding: 40px;
    opacity: 0;
    transition: opacity 1s;
}

@media (max-width: 500px) {
    .timeline-slide__content {
        width: 100%;
    }
}

.timeline-year {
    z-index: 5;
    font-size: 35px;
    color: #ffffff;
    background: #ff9900;
    padding: 15px 26px;
    transition: opacity 1.2s;
    position: absolute;
    right: 0;
    opacity: 0;
}

.timeline-title {
    color: #ff9900;
    font-size: 26px;
    line-height: 30px;
    font-weight: 400;
}

.timeline-text {
    font-size: 18px;
    line-height: 28px;
    color: #666666;
}

.timeline .slick-current:after {
    background-color: rgba(0, 52, 113, 0);
}

.timeline .slick-current .timeline-year {
    opacity: 1;
}

.timeline .slick-current .timeline-slide__content {
    opacity: 1;
}