body { margin-left:auto; margin-right:auto; width: 450px }
p { font-family: sans-serif }
.foto, .foto-l, .foto-r { margin: 1ex; border-style: none }
.foto-l { float: left;  margin-left:  0 }
.foto-r { float: right; margin-right: 0 }
/* caption paragraphs for photos on the right, left */
.cpr { clear: left;  margin-top: 2em; text-align: right }
.cpl { clear: right; margin-top: 2em }
.cb { clear: both }
h1,h2,h3 { clear: both }