body {
    background-color: black;
}

.header {
    background-color: black;
}

.center {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 50%;
    margin-bottom: -30px;
}

.artwork {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 75%;
    margin-top: 50px;
}


a {
    text-decoration: none;
    color: red;
}

a:hover {
    color: rgb(255, 255, 255);
}

nav {
    text-align: center;
}

nav a {
    margin: 0px 20px;
    letter-spacing: .25rem;
}