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>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        .klasa {
            height: 1000px;
        }

        .klasa:nth-child(odd) {
            background-color: black;
        }

        .klasa:nth-child(even) {
            background-color: skyblue;
        }

        button {
            height: 50px;
        }
    </style>
</head>
<button>SCROLLUJ</button>
<div class="container">
    <div class="klasa"></div>
    <div class="klasa"></div>
    <div class="klasa"></div>
    <div class="klasa"></div>
    <div class="klasa" id='scroll'></div>
</div>


<body>
    <script src="https://code.jquery.com/jquery-3.4.0.min.js"
        integrity="sha256-BJeo0qm959uMBGb65z40ejJYGSgR7REI4+CW1fNKwOg=" crossorigin="anonymous"></script>
</body>

</html>