body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: #F1EEE9;
}
header {
    background-color: #616161;
    padding-top: 20px;
    padding-bottom: 20px;
    text-align: center; /* dit zorgt ervoor dat de text in de header in het midden zit */
    position: fixed; /* dit zorggt ervoor dat de header zichtbaar blijft tijdens het scrollen */
    width: 100%; /* hierdoor is de header over de hele pagina verspreid */
    top: 0;
    left: 0;
    height: 20px;
    font-size: 26px;
    color: white;
    line-height: 20px;
}
.vertical-nav {
    width: 190px;
    background-color: #a7a7a7;
    position: fixed;
    top: 60px;
    bottom: 40px;
    left: 0;
    overflow-y: auto;
    z-index: 1000;
}
.nav-links {
    list-style-type: none;
    padding: 0;
    margin: 0;
}
.nav-links li {
    text-align: center;
    margin-bottom: 0px; /* hierdoor is er geen open stuk tussen de nav links */
}
.nav-links li a {
    display: block;
    color: black;
    text-decoration: none;
    padding: 8px 16px;
}
li a.active {
    background-color:hsl(109,41%,39%);
    color:black;
}
li a:hover:not(.active) {
    background-color: #616161;
    color:white;
}
.content {
    margin-left: 200px; /* dit zorgt ervoor dat alle text in de content class niet onder de nav bar zit */
    margin-right: 50px;
    margin-top: 70px;
    margin-bottom: 55px;
    padding: 0;
}
footer {
    background-color:#616161;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    color: white;
}
.footerContainer {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
#clock {
    position: absolute;
    right: 15px;
}