Stephen Shaw

Transitioning border for a hover state. Simple, right? You might be unpleasantly surprised.

The Challenge

The challenge is simple: building a button with an expanding border on hover.

This article will focus on genuine CSS tricks that would be easy to drop into any project without having to touch the DOM or use JavaScript. The methods covered here will follow these rules

• Single element (no helper divs, but psuedo-elements are allowed)
• CSS only (no JavaScript)
• Works for any size (not

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