table {
  font-family: arial, sans-serif;
  width: 100%;
  max-height: 20px;
  overflow:hidden;
  border-radius: 8px;
  background-color: lightgreen;
}

td {
  border: 1px solid red;
  padding: 8px;
  border-radius: 500px;
  text-align: center;
  background-color: white;
}

th {
  border: 1px solid black;
  text-align: center;
  padding: 8px;
  font-size: 18px;
  border-radius: 8px;
  background-color: lightgreen;
}
td:hover {
    background-color: #6CAFB6;
}