header.css

h1{
    font-family: sans-serif;
    text-align: center;
    font-variant: small-caps;
    padding-top: 20px;
}
    
ul {
    list-style-type: none;
    text-align: center;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: white;
    font-family: sans-serif;
    font-variant: small-caps;
    font-size: 14px;
    padding-bottom: 10px;
}

li {
    display: inline;
}

li a, .dropbtn {
    display: inline-block;
    color: black;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

li a:hover, .dropdown:hover .dropbtn {
    color: black;
    background-color: aliceblue;
}

li.dropdown {
    display: inline-block;
    position: inherit;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #ffffff;
    min-width: 160px;
    z-index: 1000;
}

.dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;
}

.dropdown-content a:hover {background-color: aliceblue}

.dropdown:hover .dropdown-content {
    display: block;
}