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Creative and practical CSS Positions layout example

王林Original: 2023-09-26 13:12:251526browse

创意与实用并存的CSS Positions布局示例

CSS layout plays an important role in web design. Today we will introduce a CSS Positions layout example that is both creative and practical, and demonstrate its implementation through specific code examples.

In this example, we will show three div elements, namely header, content and footer, which represent the header, content and footer of the web page respectively. We hope to achieve the following effect through CSS Positions layout:

The header is always fixed at the top of the page.
The content is highly adaptive and occupies the remaining space except the header and footer.
The footer is located at the bottom of the page when the content is short, and below the content when the content is long.

First, we need to create an HTML file and add the following basic structure and style:

<!DOCTYPE html>
<html>
<head>
    <title>创意与实用并存的CSS Positions布局示例</title>
    <style>
        body {
            margin: 0;
            padding: 0;
        }

        .header {
            background-color: #333;
            color: #fff;
            padding: 15px;
            position: fixed;
            top: 0;
            width: 100%;
        }

        .content {
            margin-top: 60px;
            padding: 15px;
        }

        .footer {
            background-color: #333;
            color: #fff;
            padding: 15px;
            position: absolute;
            width: 100%;
            bottom: 0;
        }
    </style>
</head>
<body>
    <div class="header">
        <h1>这是页眉</h1>
    </div>

    <div class="content">
        <h2>这是内容</h2>
        <p>这是一个示例文本，用于展示内容区域的自适应性。</p>
    </div>

    <div class="footer">
        <h3>这是页脚</h3>
    </div>
</body>
</html>

In the above code, we first define the margin and padding of the body as 0, Default margins are removed, ensuring the layout starts at the top.

Next, in the .header class, we set the background color of the header (header) to #333, the text color to white, the inner margin to 15px, and positioned it as fixed (fixed position) at Top of the page, width 100%.

In the .content class, we set the top margin to 60px (the same height as the .header) to ensure that the content is not obscured by the header, and set the padding to 15px.

In the .footer class, we set the background color of the title (footer) to #333, the text color to white, the padding to 15px, and positioned it as absolute (absolute position) on the page Bottom, width is 100%.

Through the above code, we have implemented a CSS Positions layout example that is both creative and practical. Regardless of whether the height of the content area is shorter or longer, the header and footer are always fixed at the top and bottom of the page.

The layout and style can be further adjusted according to actual needs. I hope this example will be helpful to your layout work in web design!

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