html {background: #2b2c36}

body {
    display: grid;
    grid-template-columns: auto;
    margin: 16px;}
button {
    cursor: pointer;
    }
nav {
    align-items: center;
    justify-content: center;
    display: flex;
    column-gap: 16px;
    grid-template-columns: auto auto auto auto;
    grid-template-rows: auto auto;
    border-bottom: solid 1px #fff;

    button {
        font-size: larger;
        transition: 0.3s;
        background: none;
        color: #FFF;
        height: 40px;
        padding: 0.5rem 0.75rem;
        border-radius: 16px;
        border: none;}

    button.actief {
        background: #FFF;
        color: #000;}

    button:hover {
        background: #FFF;
        color: #000;}
}

main {
    column-gap: 8px;
    display: grid;
    grid-template-columns: auto;
    grid-template-rows: auto;
    height: 80vh;
    overflow-y: scroll;
    padding-top: 10px;
}
nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: #2b2c36;
    height: 60px;
    display: flex;
    align-items: center;
}