thead {
  background-color: lightgray;
}

table {
  width: 100%;
/*  border-style: solid; */
  margin: 10pt;
  border-collapse: collapse;
}

td {
  border-style: solid;
  border-spacing: 0pt;
  border-width: 1pt;
  padding: 3pt;
  vertical-align: top;
}

td table tr td {
  border-style: none;
  padding: 3pt;
  vertical-align: middle;
}