body {
  font-family: sans-serif;
  margin: 0;
  padding: 0;
}
header, footer {
  background-color: #002754;
  color: white;
  text-align: center;
  padding: 1rem;
}
main {
  padding: 1rem;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}
th, td {
  border: 1px solid #ccc;
  padding: 0.5rem;
  text-align: center;
}
@media (max-width: 600px) {
  table, thead, tbody, th, td, tr {
    font-size: 0.9rem;
  }
}