Learn Responsive Web Design by Building a Piano - Step 6

HTML-CSS
1

Tell us what’s happening:
Describe your issue in detail here.
I dont understand where im wrong. Can someone explain in a different method

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 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36

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

Link to the challenge:

2

If you have to add two or more classes to an html element follow the rule:

<element class="value1 value2 value3"></element>

Here you have two classes: “key” and “black–key”. They represent the class names or their values.