flexbox.html

<!DOCTYPE html>
<html lang="de">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Flexboxen</title>

    <style>
        #blau {
            background-color: #3e3eed;
            display: flex;
        }

        .orange {
            background-color: orangered;
            padding: 10px;
            width: 25px;
            height: 25px;
            margin: 20px;
        }

        @media screen and (max-width: 768px) and (min-width: 576px) {
            #blau {
                background-color: red;
            }

            .orange {
                width: 50px;
                border: 1px solid #3e3eed;

            }
        }
    </style>

</head>
<body>
    <div id="blau">

        <div class="orange">Inhalt 1</div>

        <div class="orange">Inhalt 2</div>

        <div class="orange">Inhalt 3</div>
        
        <div class="orange">Inhalt 4</div>

    </div>
</body>
</html>