* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f6f8;
  color: #172b40;
}

header {
  background: #10263d;
  color: white;
  padding: 24px;
  text-align: center;
}

nav a {
  color: white;
  margin: 0 12px;
  text-decoration: none;
}

main {
  padding: 90px 20px;
  text-align: center;
}

h2 {
  font-size: 36px;
}

.button {
  display: inline-block;
  padding: 14px 28px;
  background: #ed7d31;
  color: white;
  text-decoration: none;
  border-radius: 6px;
}

section, footer {
  padding: 40px 20px;
  text-align: center;
}