body,
html {
    padding: 0;
    margin: 0;
    font-family: Calibri, Helvetica, Arial, sans-serif;
    letter-spacing: 0.04em;
}

.container {
    max-width: 1980px;
    margin: 0 auto;
    margin-top: 150px;
}

ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

ul::after {
    content: "";
    display: block;
    clear: both;
}

ul.timeline {
    display: flex;
    flex-wrap: wrap;
    padding: 50px 30px;
}

ul.timeline>li {
    width: calc(100% / 6);
}

ul.timeline>li:nth-of-type(odd)>.content {
    transform: translateY(calc(-100% - 24px));
}

ul .year {
    color: #ffd402;
    background: #3f444c;
    display: block;
    position: relative;
    padding-left: 24px;
    line-height: 24px;
    font-weight: bold;
    font-size: 18px;
}

ul .year::before {
    content: "";
    width: 40px;
    height: 40px;
    position: absolute;
    background: #ffd402;
    border-radius: 50%;
    left: -24px;
    top: calc((40 - 24) / 2 * -1px);
}

ul .year.new {
    border-radius: 0 24px 24px 0;
}

ul .year.new::after {
    content: "";
    width: 5px;
    height: 5px;
    display: block;
    border: 20px solid #3f444c;
    box-sizing: border-box;
    border-top-color: transparent;
    border-right-color: transparent;
    border-bottom-color: transparent;
    position: absolute;
    right: -30px;
    top: -9.5px;
}

ul .content {
    border-left: 8px solid #ffd402;
    margin-left: -8px;
    padding: 15px 0;
    padding-right: 24px;
    margin-bottom: 50px;
}

ul .content>li {
    padding-left: 20px;
    border-bottom: 4px solid #eef4f7;
    padding-bottom: 8px;
    position: relative;
    margin-left: -8px;
}

ul .content>li:last-of-type {
    border-bottom: 0;
    padding-bottom: 0;
}

ul .content>li::before {
    content: "";
    display: block;
    position: absolute;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: #eef4f7;
    left: 2px;
    top: 8px;
}

@media screen and (max-width: 1140px) {
    ul.timeline>li {
        width: calc(100% / 4);
    }
}

@media screen and (max-width: 991px) {
    ul.timeline>li {
        width: calc(100% / 2);
    }
}

@media screen and (max-width: 767px) {
    ul.timeline {
        display: block;
    }

    ul.timeline>li {
        width: 100%;
    }

    ul.timeline>li:nth-of-type(odd) .content {
        transform: none;
    }
}