OMG CSS LEDs!!!

When you need indicators but want them to look amazing—create semi-skeumorphic CSS LEDs that actually glow. A CodePen showcase of beautiful LED-style indicators that prove CSS can be both functional and visually stunning without any JavaScript required.
(How I) Use Multiple Cached Selectors with jQuery

Stop Googling how to use multiple cached jQuery selectors—here's the method that actually makes sense. A practical guide to combining cached selectors without the performance pitfalls of .add(), complete with real-world examples and the gotchas you need to watch out for.