.layout{display:grid;gap:0 0;grid-template-areas:"header header" "main main";grid-template-columns:auto 1fr;grid-template-rows:auto 1fr;height:100dvh;overflow:hidden;transition:grid-template-columns 1s ease-in-out}@media (min-width:768px){.layout{grid-template-areas:"header main" "header main"}}.breadcrumb{grid-area:breadcrumb}.header{grid-area:header}.main{grid-area:main;overflow-y:auto}