* {
  box-sizing: border-box;
}

:root {
  --font-family:
    "Nunito Sans", -apple-system, BlinkMacSystemFont, "Apple Color Emoji",
    "Segoe UI", Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans",
    "Helvetica Neue", sans-serif;
  --lumo-font-family: var(--font-family);
  --lumo-base-color: black;
}

html,
body {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5rem;
  background-color: var(--lumo-base-color);
}