styles.css

/* Lume's design system */
@import "https://unpkg.com/@lumeland/ds@0.5.2/ds.css";

.container {
  min-height: 100vh;
  display: grid;
  justify-content: center;
  align-content: start;
  row-gap: 2em;
  column-gap: 4em;
  grid-template-columns: minmax(0, 800px);
  grid-template-areas: "toolbar"
                        "main"
                        "menu"
                        "footer";

  @media (max-width: 949px) {
    padding: 5vw;
  }
  @media (min-width: 950px) {
    grid-template-columns: clamp(250px, 25vw, 300px) minmax(0, 800px) 1fr;
    grid-template-rows: auto auto 1fr;
    grid-template-areas: "menu toolbar"
                         "menu main"
                         "menu footer";
  }
  @media (min-width: 1200px) {
    grid-template-columns: 1fr minmax(10vw, 250px) minmax(0, 800px) 200px 1fr;
    grid-template-rows: auto auto 1fr;
    grid-template-areas: "menu menu toolbar ."
                         "menu menu main toc"
                         "menu menu footer toc";
  }
}

main {
  grid-area: main;
  color:darkslategray;
}
.body {
  margin-top: var(--row-gap-xsmall);
}