body > header {
  background-color: #213458;
  color: white;
  display: grid;
  align-items: center;
  justify-content: center;
}
body > header h1 {
  font-size: 2.5rem;
}

main {
  display: grid;
  align-items: center;
  justify-content: center;
}
main section.grid {
  display: grid;
  grid-template-columns: repeat(10, 50px);
}
main section.grid > section {
  display: grid;
  grid-template-rows: repeat(10, 50px);
}
main section.grid > section:nth-child(odd) {
  background-color: white;
}
main section.grid > section:nth-child(odd) > section {
  border: 1px dotted black;
}
main section.grid > section:nth-child(even) {
  background-color: black;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  padding: 0;
  display: grid;
  min-height: 100vh;
  grid-template-rows: 10vh 90vh;
  font-family: "Roboto", sans-serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  font-variation-settings: "wdth" 100;
}

/*# sourceMappingURL=style.css.map */