body {
    margin: auto;
    width: 880px;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

a {
    text-decoration: none;
    color: #0073e6;
}  

a:hover {
    text-decoration: underline;
}