html1

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title>Mistake</title>
        <link href="css/bootstrap-grid.min.css" rel="stylesheet">
        <link href="css/main.css" rel="stylesheet">
        <script defer type="text/javascript" src="js/catalog.js"></script>
        <script defer type="text/javascript" src="js/script.js"></script>
        <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
        <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
    </head>
</html>
<body>
    <div class="container">
        <div id="dropdowncart" style="top: 350px;">
            <h1 style="color: black;">Ваша корзина</h1>
        </div>
        <div class="row programms1"></div>
    </div>
</body>