*{
    font-family:monospace;
}
.header {
 
text-align: center;
 
margin-bottom: 3em;
}
a {
    text-decoration: none;
    display: block;
    margin: 0.5em;
}
h1 {
    margin-bottom: 0.2em;
    font-size: 1.5em;
}
.links>div {
    display: inline-block;
    text-align: left;
}

.links {
    text-align: center;
}

html {
    font-size: 19px;
}

.message {
    font-size: 2em;
}