/* Without JS the hamburger toggle can never open the menu, so show it permanently instead. Its "open" styling is position: absolute (built for a transient dropdown), so also drop it into normal flow — stacked below the logo — or it floats over whatever content follows the header. */ #main-header > div { flex-direction: column !important; align-items: flex-start !important; } #navigation-menu { display: flex !important; position: static !important; } #toggle-navigation-menu { display: none !important; }

Posts about math

2026-08-03
Improving your number sense

Posts about math

Improving your number sense