table.excel {
  border-style: ridge;
  border-width: 1;
  border-collapse: collapse;
  font-family: sans-serif;
  font-size: 12px;
}

table.excel thead th, table.excel tbody th {
  background: #CCCCCC;
  border-style: ridge;
  border-width: 1;
  text-align: center;
  vertical-align: bottom;
}

table.excel tbody th {
  text-align: center;
  width: 20px;
}

table.excel tbody td {
  vertical-align: bottom;
}

table.excel tbody td {
  padding: 0 3px;
  border: 1px solid #EEEEEE;
}