Learn Responsive Web Design by Building a Piano - Step 6

Tell us what’s happening:
Describe your issue in detail here.
I’m not sure what I doing wrong. Test

Sorry, your code does not pass. Don’t give up.

Hint

Your second .key element should also have a class of black--key.
am I typing something wrong?

  **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>
  <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"></div>
    </div>
  </div>
</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/104.0.0.0 Safari/537.36

Challenge: Learn Responsive Web Design by Building a Piano - Step 6

Link to the challenge:

Hi @dumbandgeeky .

I see that you tried adding the black--key class. However that is not how you do it.

You can put multiple class on the same class attribute by separating it with space.

Like this

<div class="class1 class2 class3 ...">

</div>
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