h2.ct {text-align: center}
.author {font-weight: bold}
.bookname {font-weight: normal; text-transform: capitalize; font-style: italic}
.datum {font-family: "Courier New Cyr", Courier, monospace}
img.valid {border: 0; width: 88px; height: 31px}
.labname {  font-size: larger; font-weight: bold; font-variant: small-caps; text-transform: capitalize; text-decoration: underline}
.ack {  font-size: xx-small; font-style: italic}
.pycode {  font-family: "Courier New", Courier, mono}
.attention {  font-style: italic; font-weight: bold; text-align: center}