body > main display: flex flex-direction: column align-items: center > div.h-feed flex: 1 margin-bottom: 0 > aside.author max-width: 25rem margin-bottom: 2em > .h-card position: sticky top: 1em @media (min-width: 768px) body > main flex-direction: row-reverse align-items: unset > div.h-feed margin-right: 2em > aside.author margin-bottom: 0