.page-nav {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: repeat(auto, auto);
    gap: 2dvh 0;

    & .nav-link {
        text-decoration: none;
        background-color: gray;
        color: white;
        text-shadow: 0px 0px 1px black, 1px 1px 1px black, 2px 2px 2px black;
        width: 15dvw;
        height: 10dvh;
        border-radius: 10px;
        border: solid rgba(0, 255, 255) 3px;
        outline: solid black 2px;
    }
    .nav-link::visited {
       color: red;
        background-color: cyan;
}