The Sass extend directive can improve your workflow. Nick Walsh explains how to implement the CSS preprocessor component without bloat.
Watching a CSS veteran discover Sass for the first time is always entertaining. Concepts like nesting, variables and mixins seem so natural and, once the syntax is committed to memory, it’s difficult to remember a time before their availability. Relief is the most common emotion: a recognition that the days of manually prefixing and copying hexadecimal values have passed.
Of the core concepts found in the preprocessor @extend stands out for three reasons: it has the highest potential to drastically change your workflow; misuse is dangerous to the health of your stylesheet; and newcomers struggle with it far more than other Sass functionality. Follow the accompanying patterns to start safely utilising @extend.