body {margin: 2em auto; background: #151515; color: #f2f2f2;  font-family: monospace, "Verdana", "Segoe UI", "Helvetica", sans-serif; font-size: 16px; line-height: 1.8;  max-width: 75%;}
h1, h2, h3 {font-family: "Verdana", "Segoe UI", "Helvetica", sans-serif;}
code {background: #777777;}
a {border-bottom: 1px solid #444444; color: #bbbbbb; text-decoration: none;}
a:hover {border-bottom: 0; color: #444444;}
img {display: block; margin-left: auto; margin-right:auto; width: 60%;}
div.title {display: flex; flex-direction: row;}
header {padding: 2.7ex 0.7ex 0.7ex 0.7em;}
header img {display: block; margin: 0; width: auto; height: 40px;}
#menu {padding:0.7ex;}