.x-articles {
    position: relative;
}

.x-year-nav {
    scroll-target-group: auto;
    display: block;
    margin: 0;
    padding: 1rem 0;
    list-style-type: none;
    background-color: #fff;
    position: sticky;
    top: 0;
    z-index: 1
}

.x-year-nav a:target-current {
    color: black;
    font-weight: bold;
}


.x-year-nav li {
    display: inline-block;
}

.x-year-nav li::before {
    display: inline;
    content: "|";
    padding: 0 0.5rem;
    color: #d6d6d6;
}

.x-year-nav li:first-child:before {
    display: none;
    content: "";
    padding: 0;
}


.x-year-group {
    position: relative;
}

.x-year-group h2 {
    position: sticky;
    top: 0;
    background-color: #fff;
    padding: 3rem 0 1rem 0;
}