nav {
    background-color: #555;
    margin-top: 0px;
}

nav ul {
    list-style: none;
    display: flex;
    /*justify-content: space-between;
    padding: 1em;*/
    padding: 10px;
}

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

nav a:hover {
    background-color: #fff;
    color: #333;
}

h1 {
    background-color: #f00000;
    font-size: 5vw;
    margin: 0px;
}

#logoimg {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 50%;
    max-width: 256px;
}
#intro {
    color: red;
    font-size: 0.875em;
}

footer {
    background-color: #888;
    color: white;
    text-align: center;
    padding: 4px;
}