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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #fff;
  color: #111;
  line-height: 1.5;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}