Making single color SVG icons work in dark mode
Another good reason to use the currentColor value in SVGs.
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Difference between currentColor & Custom Properties | Mike Riethmuller
I had to read through this twice, but I think I get it now (I’m not the sharpest knife in the drawer). Very useful if you’re doing theming in CSS.
Using the aria-current attribute – Tink
The aria-current attribute is very handy and easy to implement. Léonie explains it really well here.