How to solve the problem of browser not loading css file

Methods to solve the problem that the browser does not load the css file: 1. Check whether the css path is wrong and modify it; 2. Unify the encoding specified in the css file with the page settings; 3. Modify the minetype type of the file suffix; 4 , check and modify the DOCTYPE declaration in the HTML header.

#The operating environment of this tutorial: Windows 7 system, css3 version, Dell G3 computer.

Solution:

1. First consider whether the css path is wrong.

2. The encoding specified in the css file is not consistent with the page. The browser uses the page encoding to parse the css, which will naturally cause errors. I encountered this problem when I updated IE to IE11. The html was given gb2312, the css file header was given @charset "utf-8", and the css could not be added at all.

Example:

<meta http-equiv="Content-Type" content="text/html; charset=gbk" />
<link href="join_us.css" type="text/css" rel="stylesheet" charset=“utf-8”>

(1) @charset "utf-8"

is given at the beginning of the external css file (2) @charset header statement is not specified in the CSS file , causing IE to use page encoding by default to decode CSS files.

Let me explain here, gb2312 and gbk are both earlier national standard codes, mainly used for encoding and decoding commonly used Chinese characters. UTF-8 is more international and applicable to Chinese. English-based platforms use UTF-8. GBK, GB2312, etc. and UTF8 must be converted to each other through Unicode encoding.

3. IE does not support the introduction of external Css files and prompts that the MINE Type does not match. The .css file is not of minetype type. The reason may be that the .css file is a file of other types (such as txt) that you created and then changed the suffix.

(1) Then rebuild a css file and copy the code.

(2) Or download the FilesTypeMan software and directly modify the minetype type of the file suffix.

4. Take a look at the DOCTYPE declaration in your HTML header

1a309583e26acea4f04ca31122d8c535The declaration is not an HTML tag; it is an instruction that instructs the web browser which HTML version to use for writing the page. . In HTML 4.01, the 1a309583e26acea4f04ca31122d8c535 declaration references a DTD because HTML 4.01 is based on SGML. A DTD specifies the rules for a markup language so that browsers can render content correctly.

HTML5 is not based on SGML, so there is no need to reference a DTD.

8b05045a5be5764f313ed5b9168a17e6 HTML5 declaration.

612946c29e4c4ffcfcec3b414339b259This is dw automatically adding dtd information to the web page file page (can be deleted. After deletion, the browser will use the default dtd.)

This DTD is equivalent to XHTML 1.0 Transitional, but allows frameset content.

There are a lot more. . .

Local external css cannot be added. Just remove the 8b05045a5be5764f313ed5b9168a17e6 from the header of the page and it will be ok.

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