body { margin: 20px 30px; position: relative; }

#logo { width: 100%; height: auto; }
#logo div { color: black; }
#logo { border-bottom: 1px solid black; padding-bottom: 6px; }

#number { position: absolute; top: 0; right: 0; text-align: right; font-size: 90%; }
#number div { font-weight: bold; }
#number div span { font-weight: normal; }

.block h4 { padding: 15px 0 10px 0; font-size: 105%; }
.block p.abstract { color: black; }
.block .data { background: transparent; padding: 0; font-size: 75%; }
.block .data .author, .block .data .date { float: none; text-align: left; padding: 0; margin: 0; }
.block .data .author { font-weight: bold; }
.block .data .date { font-size: 98%; }

#footer { margin: 20px 0 10px 0; }
#footer a { color: black; }
#footer a:visited { color: black; }