html {
    background-color: black;
    font-family: sans-serif;
    background-image: url(oldlibrary.jpg);
}

.container {
    margin: 20% auto;
    padding: 5%;
    width: 70%;
   text-align: center;
    background-color: white;
}

h1 {
    color: black;
    margin-bottom: 7%;
    font-size: 3.5em;
    font-family: 'Work Sans', sans-serif;
}

a:link, a:visited {
  color: black;
    font-family: 'Work Sans', sans-serif;
    font-size: 2em;
    text-decoration: none;
    line-height: 2em;
}

a:hover {
    
    color: springgreen;
}