header nav > a:first-child img { width: 180px; height: 90px; object-fit: contain; }
footer a[aria-label="Go to home page"] img { width: 240px; height: 120px; object-fit: contain; }
@media (max-width: 639px) { header nav > a:first-child img { width: 160px; height: 80px; } }