table {
  margin-left: 10%;
  width: 75%;
}
caption {
  display: none;
}
tr {
  text-align:center;
}
td {
  border: black solid 1px;
  background: red;
  color: black;
}
th {
  background: #ddd;
  color: black; 
}
.na {
  background: #aaa;
  color: black;
}
.supported {
  background: white;
  color: black;
}
th .description {
  font-weight: normal;
}