Recursos
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Pattern App | User Interface Design Patterns for Ideas and Inspiration
This is our free Web design pattern library. Go find solutions to your design problems, get inspired, or if you’re new here just take a look to see what design patterns are all about.
PXtoEM.com: PX to EM conversion made simple.
What is an EM? Wikipedia puts it well: “An em is a unit of measurement in the field of typography, equal to the size of the current font.” If your font-size is at 16 pixels, then 1em = 16px