html {
    font-family: Arial,sans-serif;
    color: #222;
}

h1, h2, h3 {
    font-family: Georgia,Times,serif;
}

#title {
    margin-top: 15vw;
    color: #800;
}

h2 {
    color: #395792;
    border-bottom: 1px dotted #555;
}

#date, #author {
    border-bottom: none;
}

#author img {
    vertical-align: middle;
    width: 15vw;
    height: auto;
}
#author {
    font-size: 3vw;
}

.diagram {
    width: 38vw;
    height: auto;
    vertical-align: middle;
}

.screenshot {
    width: 65vw;
    height: auto;
    vertical-align: middle;
}

.center {
    text-align: center;
}