body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
}

header {
    background-color: #456789;
    color: #fff;
    text-align: center;
    padding: .5em 0;

    position: fixed;
    top: 0;
    height: 7em;
    width: 100%;
    z-index: 1000;
}

nav {
    background-color: #234567;
    padding: 1em;
    text-align: center;

    position: fixed;
    top: 8em; /* Adjust this value to the height of the header */
    width: 100%;
    z-index: 999;
}

nav a {
    color: #fff;
    text-decoration: none;
    padding: 0.5em 1em;
    margin: 0 1em;
}

section {
    padding: 2em;
    padding-top: 11em;
    padding-bottom: 4em;
}

footer {
    background-color: #456789;
    color: #fff;
    text-align: center;
    padding: .2em 0;
    position: fixed;
    bottom: 0;
    width: 100%;
}

dl {
    display: grid;
    grid-template-columns: max-content auto;
}

dt {
    grid-column-start: 1;
}

dd {
    grid-column-start: 2;
}