web/html_css/basic_templates/layout/box.html at master · Math-O5/web · GitHub

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<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <title>Box Model</title>
    <style>
        * {
            border: content-box; /* the margin can overflow margin scroll bar!!  width*/
            border: border-box; /* the max size is body*/
        }
        body {
            font-size: 80px;
        }
        .c1 { background-color: orange; }
        .c2 { background-color: pink;}
        .c3 { background-color: blue;}

        div {
            float: left;
            padding-top: 10px 50px 100px 150px;
        }

    </style>
</head>

<body>
    <div class="c1">1</div>
    <div class="c2">2</div>
    <div class="c3">3</div>
</body>

</html>