:root {
  color-scheme: dark light;
}

html {
  box-sizing: border-box;
}

*,
*:before,
*:after {
  box-sizing: inherit;
}

body {
  margin: 1rem;
  font-family: system-ui, sans-serif;
}

img,
video {
  height: auto;
  max-width: 100%;
}

li {
  margin-block-end: 1rem;  
}

kbd {
  font-family: ui-monospace, monospace;
  outline: solid 2px red;
  border-radius: 4px;
}