* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
}

body {
  font-family: system-ui, sans-serif;
}

main {
  display: grid;
  place-items: center;
  min-height: 100%;
}

h1 {
  margin: 0;
  font-size: 3rem;
  font-weight: 500;
}