Untitled

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <!-- position: static, fixed, absolute, relative -->
    <style>
        body {
            height: 300vh;
        }

        div {
            width: 200px;
            height: 200px;
            background-color: pink;
            /* margin: 10px; */
        }

        .s1 {
            position: fixed;
            left: 200px;
            top: 30%;
            background-color: red;
            z-index: 3;

        }

        .s2 {
            position: absolute;
            background-color: blue;
            bottom: 30%;
            left: 10%;
            z-index: 2;

        }

        .s3 {
            position: relative;
            background-color: orange;
            left: 40px;
            top: 150px;
            z-index: 1;
        }

        .s4 {
            position: absolute;
            top: 50px;
            left: 50px;
            z-index: 0;
        }

        section {
            background-color: green;
            position: relative;
            /* overflow: hidden; */
        }
    </style>
</head>

<body>
    <header>
        <p>Lorem ipsum, dolor sit amet consectetur adipisicing elit. Illo ut libero cupiditate illum fugiat magni porro
            culpa
            tenetur temporibus odio, optio quaerat nam quisquam consequuntur, cum assumenda voluptatum provident
            commodi.</p>
    </header>
    <section>
        <div class="s1"></div>
        <div class="s2"></div>
        <div class="s3"></div>
        <div class="s4"></div>
        <div class="s5"></div>
    </section>
</body>

</html>