How to modify css in dedecms

DedeCMS is an open source content management system based on PHP, which is widely used in the construction and maintenance of websites. In DedeCMS, you can modify the appearance and style of the website by modifying the CSS style sheet, and inject new elements and features into the website. This article will introduce how to modify CSS style sheets in DedeCMS.

1. Find the CSS style sheet file

The CSS style sheet file in DedeCMS is usually saved in the "/templets/template name currently in use/css" directory. Depending on the specific settings of the website, there may be multiple templates, and the specific location of the CSS style sheet needs to be determined based on the currently used template.

2. Editing CSS style sheet files

If you choose to modify the appearance and style of the website by editing CSS style sheets, you need to first understand the basic rules and syntax of CSS. Before editing a stylesheet file, it is recommended to back up the original file so that you can restore it if something goes wrong during the operation.

After opening the CSS style sheet file, you can start editing it. For many beginners, you may need to understand some keywords and attributes first, such as:

• Style selector: used to locate HTML elements that need to be styled;
• Basic attributes : Including color, font, background, border, etc.;
• Advanced attributes: including animation, responsive design, etc.

During the process of CSS editing, you need to pay attention to the following points:

• Adjust the order: The rules in the CSS style sheet take effect from top to bottom. If an element is selected by multiple rule selectors, subsequent rules will overwrite previous ones. Therefore, you need to adjust the order of the rules in the style sheet as needed.
• Modularization: Logically dividing style sheet files into different modules can make them easier to manage. For example, placing similar attributes such as fonts, colors, and margins into corresponding modules can facilitate unified management.
• Automation: In addition to manually editing style sheet files, you can also use some tools and frameworks for automated style sheet generation and management.

3. Apply the modified CSS style sheet

After completing the modification of the CSS style sheet file, some additional steps are required to make the modifications effective. The specific steps may vary due to different implementation methods. The following are common methods:

• Directly modify the code: After the CSS style sheet file is saved, if the website is in development status, it may It will take effect immediately. If the website is already online, you need to manually refresh or clear the cache for the modification to take effect.
• Use DedeCMS template system: DedeCMS provides a convenient template system. You can modify the style and layout of the website by modifying the template file. In the template file, you can use the statement "{dede:include filename='filename'}" to reference the CSS style sheet file to achieve dynamic loading. After modifying the template file, you need to regenerate the static page to see the modification.
• Use plug-ins and modules: DedeCMS also has many related plug-ins and modules, such as SEO plug-ins, slideshow modules, etc. These plug-ins and modules also have their own CSS files. After modifying these files, they need to be applied according to the specific implementation method.

In short, modifying CSS style sheets in DedeCMS is a very basic website customization skill. With only some CSS rules and basic web development knowledge, you can easily make modifications and achieve personalized website design.

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