Learn Responsive Web Design by Building a Piano - Step 2

Tell us what’s happening:
Describe your issue in detail here.

I do not see where I am missing?
Your code so far

/* file: index.html */
<!DOCTYPE html>
<html lang="en">
<head>
  <title>Piano</title>
<meta name="viewport" content="width=device-width, initial-scale= 1.0"/>
<meta charset="UTF-8"/>
</head>
<body></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/103.0.0.0 Safari/537.36

Challenge: Learn Responsive Web Design by Building a Piano - Step 2

Link to the challenge:

You’ve added an extra unnecessary space in there after the equals sign. The tests can be very picky about such things.