* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #fafafa;
}

a {
  color: #0070f3;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
}

main {
  min-height: calc(100vh - 200px);
}

header {
  background: white;
  border-bottom: 1px solid #eee;
}

footer {
  background: #f5f5f5;
  padding: 2rem;
  text-align: center;
  color: #666;
}
