h1 {
    font-family: arial, helvetica, verdana, sans-serif;
    font-size: 24pt;
    color: #0000ff
}

h2 {
    font-family: arial, helvetica, verdana, sans-serif;
    font-size: 18pt;
    color: #000000
}

h3 {
    font-family: arial, helvetica, verdana, sans-serif;
    font-size: 14pt;
    font-weight: bold;
    color: #000000;
    margin-bottom: 0;
    margin-right: 0;
    margin-top: 0
}

h4 {
    font-family: arial, helvetica, verdana, sans-serif;
    font-size: 12pt;
    font-weight: bold;
    color: #000000;
    margin-bottom: 0;
    margin-right: 0;
    margin-top: 0
}

h5 {
    font-family: arial, helvetica, verdana, sans-serif;
    font-size: 10pt;
    color: #000000;
    margin-bottom: 0;
    margin-right: 0;
    margin-top: 0
}

h6 {
    font-family: arial, helvetica, verdana, sans-serif;
    font-size: 8pt;
    font-weight: bold;
    color: #000000;
    margin-bottom: 0;
    margin-right: 0;
    margin-top: 0
}

a {
    text-decoration: none;
    background-color: aliceblue;
}



nav ul {
    list-style: none;

}

nav {
    column-width: 16em;
    column-gap: 2em;
    column-rule: 1px solid #ccc;
}