table {
  width: 100%;
  border-collapse: collapse;
}

td, th {
  border-top: thin solid #ddd;
  border-bottom: thin solid #ddd;
  padding: 2px 6px;
  vertical-align: top;
}

th {
  border-bottom: 2px solid #ddd;
  border-top: none;
  background-color: #fff;
  color: black;
  text-align: left;
}

tr:nth-child(odd) {
  background-color: #f9f9f9;
}