.table-box {
  border-collapse: collapse;
  margin: 20px auto;
  width: 100%;
}

.table-box td, .table-box th {
  border: 1px solid #333;
  padding: 10px;
}

.table-box th {
  background-color: #f5f5f5;
}

.am, .pm {
  font-weight: bold;
  display: block;
}