<html>
<head>
<style>
.container {
    width: 90px;
    height: 90px;
    color: green;
    background-color: green;
    margin: 10px;
    position: relative;
}

#shape-margin-border-box {
    position: absolute;
    top: 30px;
    width: 25px;
    height: 20px;
    border: solid 5px blue;
    border-left-width: 0px;
}

#shape-margin-margin-box {
    width: 25px;
    height: 20px;
    border: solid 5px blue;
    border-left-width: 0px;
}

</style>
</head>
<body>
    <p>Verify that shape-margin has the expected effect on the four possible shape-outside box values for left floats.</p>

    <p>shape-outside: content-box</p>
    <div class='container'></div>

    <p>shape-outside: padding-box</p>
    <div class='container'></div>

    <p>shape-outside: border-box</p>
    <div class='container'>
      <div id="shape-margin-border-box"></div>
    </div>

    <p>shape-outside: margin-box</p>
    <div class='container'>
        <div id="shape-margin-margin-box"></div>
    </div>

</body>
</html>