Reset CSS

basic.css

html:focus-within { scroll-behavior: smooth }

footer {
  position: sticky;
  top: 100vh
}

basic.styl

html:focus-within
  scroll-behavior: smooth

footer
  position: sticky
  top: 100vh

html.slim

head
  title
  meta
  link
body
  header
    h1
    nav
      a
  main
    article
      header
        h1
      section
        header
          h2
          p
  footer
    section
      address
      a
  script

reset.css

* {
  margin:  0;
  padding: 0;
  box-sizing: border-box
}

body { min-height: 100vh }

a {
  text-decoration: inherit;
  color: inherit
}

svg {
  overflow: visible !important;
  width:  100%;
  height: 100%
}
svg:has(defs) { display: none }
svg#defs      { display: none }

reset.styl

*
  margin: 0
  padding: 0
  box-sizing: border-box

body
  min-height: 100vh

a
  text-decoration: inherit
  color: inherit

svg
  overflow visible: !important
  width: 100%
  height: 100%
  &:has(defs)
    display none
  &#defs
    display none