css-beginner-tasks/boxModel.html at main · yawar2518/css-beginner-tasks · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Box Model</title>
    <style>
        body{
            background-color: azure;
        }

        *{
            margin: 0px;
            padding: 0px;
        }

        .boxModel{
            background-color: turquoise;
            margin: 10px;
            border: 3px solid black;
            padding: 10px;
        }

        .box{
            height: 100px;
            width: 200px;
            border: 2px solid black;
        }

        .box1{
            background-color: red;
            position: relative;
            margin: 10px;
            box-sizing: border-box;
        }

        .box1::before{
            content: "Box A";
        }

        .box2::before{
            content: "Box B";
        }

        .box3::before{
            content: "Box C";
        }

        .box2{
            background-color: green;
            margin-left: 33%;
            box-sizing: content-box;
            position: relative;
        }

        .box3{
            background-color: blue;
            margin-left: 66%;
            box-sizing: content-box;
            position: relative;
        }
    </style>
</head>
<body>
    <header></header>
    <main>
        <section class="boxModel">
            <div class="box box1"></div>
            <div class="box box2"></div>
            <div class="box box3"></div>
        </section>
    </main>
    <footer></footer>
</body>
</html>