.datatable{margin-bottom:30em;margin-left:3em}
.datatable caption{color:#800000;font-size:150%;font-weight:bold;margin-bottom:1em;margin-top:1em}
.datatable th{padding-bottom:1em}
.joinu{color:#800000;font-size:100%}
.conta{color:#008000;font-size:100%;text-align:center}
.teach{color:#008000;font-size:110%}
.topic{color:#800080;font-size:110%}