Congratulations, you should now have an instance of scrollnav on your page, but wait, why doesn’t it look like the examples?
To keep the library simple and avoid inheritence issues, scrollnav doesn’t come bundled with default styles. I’ve created a few demos to give you some general direction, but it’s completely up to you to make scrollnav work for your specific situation.
BEM (Block, Element, Modifier) Methodology
for providing class names to its markup.
scroll-nav is the block, with
__link as elements. The structure looks like this.
nav.scroll-nav ol.scroll-nav__list li.scroll-nav__item.scroll-nav__item--active a.scroll-nav__link
For a good overview on BEM Methodology, read [MindBEMding - getting your head 'round BEM syntax](https://csswizardry.com/2013/01/mindbemding-getting-your-head-round-bem-syntax/)
When a user scrolls the document, scrollnav watches for each section to pass
the threshold of the active area. As that happens the
--active modifier is
added to the
__item element (and subsequently removed from previously active
item). Use this to change or udpate the look of the active items in the
To view the location of the active area threshold within your document enable `debug` mode from scrollnav's list of [additional options](/scrollnav.com/guide/customizing.html#additional-options).