.block_quiz_results {text-align: center;}
.block_quiz_results h1 {margin: 4px;font-size: 1.1em;}
.block_quiz_results table.grades {text-align: left;width: 100%;}
.block_quiz_results table.grades .number,
.block_quiz_results table.grades .grade {text-align: right;width: 10%;}
.block_quiz_results table.grades caption {margin: 1em 0px 0px 0px;border-bottom-width: 1px;border-bottom-style: solid;font-weight: bold;}