:root,
:host {
  --auto-font-family-emoji: "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  --auto-font-family-sans-serif: system-ui, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, Helvetica, Arial, "Helvetica Neue", sans-serif, var(--auto-font-family-emoji);
  --auto-font-family-monospace: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace, var(--auto-font-family-emoji);
  --auto-font-family: var(--auto-font-family-monospace);

}

*, 
*:before,
*:after {
  box-sizing: inherit;
  outline: 1px dotted red;
}

html {
  box-sizing: border-box;
  font-size: 16px;
  line-height: 1.5;
  font-family: var(--auto-font-family);
}

body {
  margin: 0;
}

hr {
  margin: 1rem 0;
  color: inherit;
  border: 0;
  border-top: currentcolor solid;
  opacity: 1;
}

main {
  margin: 0 auto;
  max-width: 42em;
}

figure > img {
  max-width: 100%;
  height: auto;
}