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An explanation of the height problem of HTML floating elements

王林forward: 2020-02-26 17:49:073005browse

The height issue of floating elements

1. In the standard flow, the height of the content can support the height of the parent element.

2. In the floating flow, floating elements cannot support the height of the parent element.

(Recommended tutorial: html tutorial)

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>D129_FloatExcriseXia</title>
    <style>
        .fuyuansu,.fuyuansu1{
            border:2px black solid;
        }
        .biaozhun{
            width:100px;
            height: 100px;
            background-color: red;
        }
        .fudong{
            width:100px;
            height: 100px;
            background-color: yellow;
            float:left;
        }
</style>
</head>
<body>
<div>
    <div></div>
</div>
<hr>
<div>
    <div></div>
</div>
</body>
</html>

The result is as shown:

An explanation of the height problem of HTML floating elements

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