.layout{--main:minmax(0, 1280px);--side-gap:minmax(2rem, 1fr);grid-template-columns:[full-start] var(--side-gap) [main-start] var(--main) [main-end] var(--side-gap) [full-end];flex:1;min-height:100%;padding-block:4rem;display:grid}.layout>main{grid-column:main;align-content:start;display:grid}