In the first lecture on the basic format of the document, I don't know why the third line of code is wrong. I've attached the picture below for guidance.

As shown in the picture

From [HTMLdiscussion group] 2022-01-11 23:01:36 0  2  1031

I'm going to do it this weekend. Is there any teacher who can teach me?

From [HTMLdiscussion group] 2021-11-16 20:30:47 0  1  1059

What is the essential difference between hyper-converged servers and cloud servers?

1. There are three main categories of cloud computing: private cloud, public cloud, and hybrid cloud; there ar...

From [HTMLdiscussion group] 2021-10-27 09:41:40 0  2  2489

How to modify the left navigation pane of the background system

I want to change the file information and postgraduate entrance examination information on the left. This is t...

From [HTMLdiscussion group] 2021-10-24 17:28:30 0  4  971

What is a pagoda panel and what does it do?

Simply put, Pagoda is a WEB server suite that integrates software tools commonly used in web services such as ...

From [HTMLdiscussion group] 2021-10-22 11:28:01 0  3  5745

vuepress sidebar problem

How is it possible to expand all pages by default on the right side? The sidebar of the official document is a...

From [HTMLdiscussion group] 2021-10-12 10:17:19 0  2  1164

After I used the startup line of code, the video on the webpage had no sound. What happened?

After I used the startup line of code, the video on the webpage had no sound. What happened?

From [HTMLdiscussion group] 2021-08-11 19:34:19 0  1  2152

The order of css right floating words is reversed

<style>*{ margin:0; padding:0; list-style:none;}img{ border:0;}.header{ width:100%; background:#11192c;}...

From [HTMLdiscussion group] 2021-08-02 23:37:40 0  3  2208

span color problem

The span color does not work, it seems to be covered by the span definition in the left menu. How to deal with...

From [HTMLdiscussion group] 2021-06-22 16:10:35 0  1  1319

When learning HTML, click "Run Example" and click "Submit", but the white box on the right has no response.

I had to go to php.cn.htm on my computer desktop and copy the code to refresh it every time. I tried using IE ...

From [HTMLdiscussion group] 2021-06-06 15:23:48 0  2  1219

The Safari browser cannot open the .MP4 file by inputting the direct address of the video!

The video on the IIS server is a static directory, but the Safari mobile browser cannot open the file by enter...

From [HTMLdiscussion group] 2021-06-03 15:35:22 0  2  1285

When uploading pictures on layui mobile phone, you cannot select multiple pictures at one time

I use layui components to upload images. On the computer, I can select multiple images for upload at one time,...

From [HTMLdiscussion group] 2021-04-23 11:19:09 0  0  1291

Why can't I connect to the PHP Chinese website?

When I was working with my teacher <a href="www.php.cn">Hello PHP Chinese website</a> co...

From [HTMLdiscussion group] 2021-03-22 19:26:43 0  2  1222

Is there any course schedule for learning the basics of programming?

Is there any course schedule for learning the basics of programming? I want to learn it now but I don’t know h...

From [HTMLdiscussion group] 2021-03-09 19:22:28 0  1  1449

What to learn on the front end

What do you need to learn about the front-end?

From [HTMLdiscussion group] 2021-02-19 21:10:58 0  1  1313