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How to design the footer of a web page using CSS Positions layout

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Sep 26, 2023 pm 02:09 PM

Web pagefootercss positions layout

如何使用CSS Positions布局设计网页的页脚

How to use CSS Positions layout to design the footer of a web page

In web design, the footer usually carries important content such as copyright information and contact information of the web page. Designing a beautiful and functional footer is very important to improve user experience and the overall visual effect of the website. In this article, we will introduce how to use CSS Positions layout to design the footer of a web page and give specific code examples.

First of all, let us clarify the basic idea of using CSS Positions layout to design the footer. In this layout, we can use relative positioning (position: relative) and absolute positioning (position: absolute) to manage the position and style of the footer element. Relative positioning allows us to fine-tune an element relative to its original position in the document flow; absolute positioning allows an element to be positioned relative to its closest positioned ancestor element. If there is no positioned ancestor element, It is positioned relative to the overall window of the document.

The following is a simple HTML structure, we will design the footer through CSS Positions layout:

<!DOCTYPE html>
<html>
<head>
    <title>网页页脚布局示例</title>
    <style>
        body {
            margin: 0;
            padding: 0;
        }

        .container {
            min-height: 100vh;
            position: relative;
        }

        .content {
            padding-bottom: 100px; /* 让页脚不会覆盖内容 */
        }

        .footer {
            width: 100%;
            height: 100px;
            background-color: #333;
            color: #fff;
            position: absolute;
            bottom: 0;
            left: 0;
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="content">
            <!-- 这里是网页主体内容 -->
        </div>
        <div class="footer">
            <!-- 这里是页脚内容 -->
        </div>
    </div>
</body>
</html>

In the above sample code, we first create a height and viewport (viewport ), and set relative positioning to it. Next, create a content area (content) and a footer (footer) in the container. To prevent the footer from covering the content, we add a padding-bottom attribute to the content area that is the same height as the footer.

For the footer, we set its width to 100%, height to 100px, background color to #333, and font color to white. We then anchor the footer to the bottom of the container using absolute positioning and align its left edge with the left edge of the container. In this way, no matter how much content there is on the page, the footer will always remain at the bottom and will not affect the layout of the page as the content increases.

In this way, we can easily design the footer of the web page using CSS Positions layout. Of course, this is just a simple example. In fact, we can make more complex designs and styles for the footer according to actual needs. I hope this article can be helpful to you, and I wish you design a beautiful and practical web page footer!

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