h1 {
border-bottom: ridge 2px silver;
text-align: center
}

img.framed {
margin: 0.5em;
border: groove 0.5em gray;
padding: 1em;
}

pre {
border-left: dashed 2px #fca;
border-top: dashed 2px #fca
margin-left: 1em;
padding: 1em 0em 0em 1em;
}