Getting to Know Custom CSS Properties

Today’s front-end developers have a plethora of tools to help them create and edit CSS. One of those tools are preprocessors, and one of the major perks of using a preprocessor is the ability to use variables within your styles. This eliminates the need for copying and pasting, which then makes refactoring easier.
When using preprocessor variables, developers tend to define them with colors, font sizes, layout details, etc. This is all fine and dandy, but preprocessor variables have some limitations: