.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-top: 100px;
}

table {
  margin: 10px;
  border: 1px solid;
}

table td,
table th {
  padding: 10px;
  text-align: center;
  border: 1px solid;
}

form {
  display: flex;
  flex-direction: column;
  max-width: 200px;
  width: 100%;
  margin: 10px;
}
form > * {
  margin-bottom: 10px;
}