body {
  font-size: 23px;
}

table {
    border-collapse: collapse;
}

th, td { padding: 5px; }

table.data, table.data th, table.data td { border: 1px solid black; }

table.data th {
  background-color: #AAAAAA;
}

tr.sum td {
  font-weight: bold;
}

div.alwaysbreak { page-break-before: always; }
div.nobreak:before { clear:both; }
div.nobreak { page-break-inside: avoid; }

.center {
  text-align: center;
}

.gray {
  background-color: #AAAAAA;
}