main{display:grid;grid-template-rows:1fr auto 1fr;justify-items:center;min-block-size:calc(100vh - 16px);min-block-size:calc(100svh - 16px)}h1{align-self:end;margin-block-end:1.5rem}.octopus{display:block;inline-size:min(20rem,100%);block-size:auto}.greeting{align-self:start;margin-block-start:1.5rem;text-align:center}button{min-inline-size:44px;min-block-size:44px}#reply{min-block-size:1.5em}