Help: Within the @media query, add a .keys selector and set the width to 318px

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

  **Your code so far**
/* file: index.html */
<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8" />
  <title>Piano</title>
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <link rel="stylesheet" href="./styles.css">
</head>
<body>
  <div id="piano">
    <img class="logo" src="https://cdn.freecodecamp.org/platform/universal/fcc_primary.svg" alt="freeCodeCamp Logo" />
    <div class="keys">
      <div class="key"></div>
      <div class="key black--key"></div>
      <div class="key black--key"></div>
      <div class="key"></div>
      <div class="key black--key"></div>
      <div class="key black--key"></div>
      <div class="key black--key"></div>

      <div class="key"></div>
      <div class="key black--key"></div>
      <div class="key black--key"></div>
      <div class="key"></div>
      <div class="key black--key"></div>
      <div class="key black--key"></div>
      <div class="key black--key"></div>

      <div class="key"></div>
      <div class="key black--key"></div>
      <div class="key black--key"></div>
      <div class="key"></div>
      <div class="key black--key"></div>
      <div class="key black--key"></div>
      <div class="key black--key"></div>
    </div>
  </div>
</body>
</html>
/* file: styles.css */
html {
box-sizing: border-box;
}

*, *::before, *::after {
box-sizing: inherit;
}

#piano {
background-color: #00471b;
width: 992px;
height: 290px;
margin: 80px auto;
padding: 90px 20px 0 20px;
position: relative;
border-radius: 10px;
}

.keys {
background-color: #040404;
width: 949px;
height: 180px;
padding-left: 2px;
}

.key {
background-color: #ffffff;
position: relative;
width: 41px;
height: 175px;
margin: 2px;
float: left;
border-radius: 0 0 3px 3px;
}

.key.black--key::after {
background-color: #1d1e22;
content: "";
position: absolute;
left: -18px;
width: 32px;
height: 100px;
border-radius: 0 0 3px 3px;
}

.logo {
width: 200px;
position: absolute;
top: 23px;
}

.keys{@media (max-width: 768px){width:318px;}#piano { width: 358px;}}
  **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.67 Safari/537.36 OPR/87.0.4390.45

Challenge: Step 29

Link to the challenge:

Your going to want to set up the .keys just like you did the #piano in the code. Not in the beginning.