Persistent Headers | CSS-Tricks
This is some code to get the header of some content area to stay visible at the top of the screen as you scroll through that content. Then go away when you’ve scrolled past that relevant section.
CSS Chops scours the very bowels of the interwebs for the finest cuts of CSS related emphemera.
Pity us. For the task is ceaseless and the flickerings of a thousand murderously-coded pages are etched into our bulbous eyes.