i

h1 {
  text-align: center;
}

table, th, td {
  border: 1px solid black; 
  border-collapse: collapse;
}  

.table-content {
  display: flex;
  justify-content: center;
  margin-top: 50px;
}

.caption {
  display: flex;
  justify-content: center;
  font-weight: bold;
  font-size: 18px;
}