CSS position sticky has really good browser support, yet most developers aren’t using it. The reason for that is twofold: First, the long wait for good browser support: It took quite a long time for browser support to happen, and by the time it did the feature was forgotten. The second reason is that most developers don’t fully understand the logic behind how it works, and that’s where I come in.
CSS Complex Selectors Selectors are one of, if not, the most important parts of CSS. They shape the cascade and determine how styles are to be applied to elements on a page. Up until recently the focus of CSS never really touched on selectors. Occasionally there would be incremental updates within the selectors specification, but never any real ground breaking improvements. Fortunately, more attention has been given to selectors as of late, taking a look at how to select different types of elements and elements in different states of use.