body {
  font-family: Arial, sans-serif;
  padding: 20px;
  background: #f9f9f9;
}

h1 {
  text-align: center;
  margin-bottom: 20px;
}

.country-block {
  margin-bottom: 40px;
  border: 1px solid #ccc;
  padding: 10px;
  background: #fff;
}

.country-block h2 {
  background: #222;
  color: #fff;
  padding: 5px 10px;
  margin: 0 -10px 10px -10px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead {
  background: #ddd;
}

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