Adjusting the position of just a single box in a flexible layout

I have multiple columns set up in a similar way.

<div style="display: flex;flex-direction:column">
<main class="main-contents" role="main">TopHeader </main>
<div> content A</div>
<div> content B</div>
<div> content C</div>
<div> content D</div>
</div>

My goal is to make the main section stick to the top of the page (similar to the YouTube player) and allow content A~D to be scrollable.

Does anyone have suggestions on how to achieve this effectively?

I'm hesitant about using flex for this purpose,

but since I'm creating a responsive website, I want to keep the design as consistent as possible.

htmlcssflexbox

Answer №1

Here is the solution:

.main-contents {
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  background-color: white;
}

div {
  height: 1500px;
  background-color: gray;
}
<!DOCTYPE html>
<html lang='en'>

<head>
  <meta charset='UTF-8'>
  <meta http-equiv='X-UA-Compatible' content='IE=edge'>
  <meta name='viewport' content='width=device-width, initial-scale=1.0'>
  <title>Document</title>
</head>

<body>

  <main class='main-contents' role='main'>TopHeader</main>
  <div style='display: flex;flex-direction:column'>
    <div>content A</div>
    <div>content B</div>
    <div>content C</div>
    <div>content D</div>
  </div>

</body>

</html>

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