main>header.response~:nth-child(odd){
    background-color:unset;
    border: none}

main>header.response~:nth-child(even){
    background-color: rgba(0,0,0,.02);
    border-top: 1px solid rgba(0,0,0,.08);
    border-bottom: 1px solid rgba(0,0,0,.08)}

main>section{scroll-margin:2.618em}

main nav{
    display: flex;
    justify-content: center;
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    z-index: 999;
    background-color: #fff;
    border-bottom: 1px solid #ddd;}

main nav ul.scroll-x{
    padding-right:0;
    padding-left: 0;
    width: auto;
/*    height: 2.618em;*/
}

main nav ul.scroll-x>*+*{margin-left: 1em}

main nav a{
    font-size: var(--small);
    font-weight: 500;
    color: inherit;
    text-decoration: none}