body {
  background: var(--color-background);
  color: var(--color-foreground);
  display: grid;
  grid-template-areas: "header" "main" "footer";
  grid-template-rows: 6em 1fr 4em;
  grid-template-columns: 1fr;
}

header {
  grid-area: header;
  display: grid;
  grid-template-areas: "logo nav";
  grid-template-rows: 1fr;
  grid-template-columns: 4em 1fr;
  grid-gap: 2em;
  padding-top: 0;
  border-bottom: 0.1em var(--color-foreground) solid;
  width: calc(100vw - 2em);
  justify-self: center;
}

a {
  color: inherit;
  text-decoration-line: underline;
  text-decoration-style: solid;
  text-decoration-color: var(--color-link-int);
  text-decoration-thickness: 0.1em;
}
a:hover {
  text-shadow: 0em 0em 0.05em;
  text-decoration-thickness: 0.14em;
}
a[href^="http"] {
  text-decoration-color: var(--color-link-ext);
}

header>a {
  grid-area: logo;
}
#logo {
  background-image: url("/logo.svg");
  background-position: center center;
}

header>nav {
  grid-area: nav;
  font-size: 1.5em;
}
header>nav>ul {
  display: flex;
  flex-direction: row;
  justify-content: end;
  margin: 0;
  align-items: center;
  height: 100%;
}
header>nav>ul>li {
  margin-right: 1em;
}
header>nav>ul>li:last-child {
  margin-right: initial;
}

main {
  padding: 1em;
}

footer {
  grid-area: footer;
  padding-bottom: 0;
  border-top: 0.1em var(--color-foreground) solid;
  width: calc(100vw - 2em);
  justify-self: center;
}