Why does changing .one's vertical margin cause .canvas's top part to change with it?

HTML-CSS
1

Tell us what’s happening:
Describe your issue in detail here.
why does changing .one’s vertical margin cause .canvas’s top part to change with it?

  **Your code so far**

/* file: styles.css */
.canvas {
width: 500px;
height: 600px;
background-color: #4d0f00;

}

.frame {
border: 50px solid black;
width: 500px;
padding: 50px;
margin: 20px auto;
}

.one {
width: 425px;
height: 150px;
background-color: #efb762;
margin: 20px auto;
}

/* file: index.html */
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Rothko Painting</title>
  <link href="./styles.css" rel="stylesheet">
</head>
<body>
  <div class="frame">
    <div class="canvas">
      <div class="one"></div>
    </div>
  </div>
</body>
</html>

  **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.63 Safari/537.36

Challenge: Step 21

Link to the challenge:

2

Google “css top margin collapse” or “margin collapsing”

3

This topic was automatically closed 182 days after the last reply. New replies are no longer allowed.