.layout {
  width: 100%;

  display: grid;
  grid:
    "sidebar body" 1fr
    / 90px auto;
  gap: 8px 20px;
}

.sidebar { grid-area: sidebar;
background-image: url("https://drinkmoretea.neocities.org/super%20secret/flower%20530.gif");}
.body { grid-area: body;
}