Cacher is the code snippet organizer for pro developers

body {
  display: grid;
  grid-template-columns: 30% auto;
  grid-template-rows: 60px auto 60px;
  grid-template-areas: "hdr hdr"
                       "sidebar main"
                       "ftr ftr";
  margin: 0;
}

header {
  grid-area: hdr;
}

aside {
  grid-area: sidebar;
}

main {
  grid-area: main;
}

footer {
  grid-area: ftr;
}