It’s easy to get stuck working with the CSS techniques we know well, but doing so puts us at a disadvantage when new problems surface. As the web continues to grow, the demand for new solutions will also continue to grow. Therefore, as web designers and front end developers, we have no choice but to know our toolset, and know it well. That means knowing even the specialty tools - the ones that aren’t used as often, but when they are needed, are exactly the right tool for the job. Today, I'm going to introduce you to some CSS tools you might not have known about before. These tools are each units of measurement, like pixels or ems, but it’s quite possible that you’ve never heard of them! Let’s dive in. rem We’ll start with something that’s similar to something you are probably already familiar with. The em unit is defined as the current font-size
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