What are SASS placeholders and how do you use them?
Description : Using placeholders (`%`) in SASS for style inheritance.
Answer :
SASS placeholders, defined with`%`, are used for creating reusable style blocks that can be extended but do not generate CSS rules themselves. For example, define a placeholder like `%button-style { padding: 10px; border: none; }` and extend it with`.btn { @extend %button-style; background: blue; }`. This approach promotes DRY(Don’t Repeat Yourself) principles by allowing multiple selectors to share the same styles.