table {
  font-family: arial, sans-serif;
  border-collapse: collapse;
  width: 80%;
  margin-left: auto; 
  margin-right: auto;
}

td, th {
  border: 1px solid #dddddd;
  text-align: left;
  padding: 8px;
}

tr:nth-child(even) {
  background-color: #dddddd;
}

.table-basic  {
  font-family: arial, sans-serif;
  border-collapse: collapse;
  width: 80%;
  margin-left: auto; 
  margin-right: auto;
}

.table-basic th,
.table-basic td  {
  border: 1px solid #dddddd;
  text-align: left;
  padding: 3px;
}

.table-basic tr:nth-child(even) {
  background-color: #dddddd;
}