main {
display: grid;
grid-template-rows: max-content auto;
height: 100%;
overflow: hidden;
position: relative;
width: 100%;
z-index: 2;
}

main>header {
background-color: var(--pr-sr);
box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
height: 100%;
overflow: hidden;
place-content: center;
position: sticky;
top: 0;
width: 100%;
z-index: var(--zx-st);
}

main>header>.toolbar {
height: 100%;
}

main>section {
background-color: transparent;
height: 100%;
overflow: hidden;
width: 100%;
}