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CSS Sass Basics Improve Your Workflow with Sass Write Nested Selectors

I'm stuck on what I need to do, someone please help!

What does it mean use the & for a selector?

.banner {
  padding: 1em;
  background-color: lightgrey;
   .button {
    font-size: 1.5em;   

  .icn {
    font-size: 1.25em;
      color: green;


2 Answers

Some people refer to that sign as a default setting , otherwise I'm not sure what is your question.

Not sure what the challenge is asking for?