Learn Responsive Web Design by Building a Piano - Step 6

Tell us what’s happening:

It is telling me that I forgot to add class=black–key to the second key.But I have done so.Please assist!
Task is as follows:Remember that a class attribute can have multiple values.Add class=black–key to second,third,fifth sixth and seventh elements

Your code so far

<!-- file: index.html -->
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <title>Piano</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  </head>
  <body>

<!-- User Editable Region -->

    <div id="piano">
      <div class="keys">
        <div class="key"></div>
        <div class="key" class="black--key"></div>
        <div class="key" class="black--key"></div>
        <div class="key"></div>
        <div class="key" class="black--key"></div>
        <div class="key"class="black--key"></div>
        <div class="key" class="black--key"></div>
      </div>
    </div>

<!-- User Editable Region -->

  </body>
</html>
/* file: styles.css */

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36 Edg/129.0.0.0

Challenge Information:

Learn Responsive Web Design by Building a Piano - Step 6

you should not have repeated the class declaration.
Instead, all you needed to do was add the black–key class to the existing attribute.
Here’s an example of an element with 2 classes for your ref:

<p class="one two">this paragraph has 2 classes</p>

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