About the writing standard order and naming rules of CSS

I have been writing CSS for so long, but most front-end ers do not write CSS code according to good CSS writing specifications, which will affect the reading experience of the code. Here is a summary of CSS writing specifications and CSS writing order for your reference

These are summarized with reference to some foreign articles and my personal experience. I think it is worth learning for front-end users who write CSS.

1. CSS writing order

1. Position attributes (position, top, right, z-index, display, float, etc.)
2. Size (width, height, padding, margin)
3. Text series (font, line-height, letter-spacing, color-text-align, etc.)
4. Background (background, border, etc.)
5. Others (animation, transition, etc.) )

2. CSS writing specifications
1. Use CSS About the writing standard order and naming rules of CSS properties
Some CSS properties can be abbreviated, such as padding, margin, font, etc. This streamlines the code while improving the user's reading experience.

2. Remove the “0” before the decimal point

3. Abbreviated naming

many Users like to abbreviate class About the writing standard order and naming rules of CSSs, but the prerequisite is that people can understand your naming before you can abbreviate it!

4.16 Color Code Abbreviation

Some color codes can be abbreviated, so we will try to abbreviate them as much as possible to improve user experience.

5 hyphen CSS selector naming convention

1). Long About the writing standard order and naming rules of CSSs or phrases can use a hyphen to About the writing standard order and naming rules of CSS the selector.

2). It is not recommended to use "_" underscore to About the writing standard order and naming rules of CSS CSS selectors. Why?

Press one less shift key when typing; Browser compatibility issues (such as using _tips selector naming, which is invalid in IE6) Able to distinguish JavaScript variable naming (JS variable naming uses "_" )

#6. Don’t use id randomly

id is unique in JS and cannot be used multiple times, but it can be reused using the class selector , In addition, the priority of id takes precedence over class, so id should be used as needed and not abused.

7. Add a status prefix to the selector

Sometimes you can add a prefix indicating the status to the selector to make the semantics clearer, such as the following figure The ".is-" prefix is ​​added.

3. CSS naming convention (rules)
Commonly used CSS naming rules

Header: header
Content: content/container
Tail: footer
Navigation: nav
Sidebar: sidebar
Column: column
Page peripheral control overall layout width: wrapper
Left right center: left right center
Login bar: loginbar
Logo: logo
Advertising: banner
Page body: main
Hot spot: hot
News: news
Download: download
Sub navigation: subnav
Menu: menu
Submenu: submenu
Search: search
Friendly link: friendlink
Footer: footer
Copyright: copyright
Scroll: scroll
Content: content
Tag: tags
Article list: list
Prompt information: msg
Tips: tips
Column title: title
Join: joinus
Guide: guide
Service: service
Registration: regsiter
Status: status
Vote: vote
Partner: partner

Writing of comments:

/* Header */
Content area
/* End Header */

ID naming:

1) Page structure

Container: container
Header: header
Content: content/container
Page body: main
Footer: footer
Navigation: nav
Sidebar: sidebar
Column: column
Page peripheral control overall layout width: wrapper
left right center

(2)Navigation

Navigation: nav
Main navigation: mainnav
Sub navigation: subnav
Top navigation: topnav
Side navigation: sidebar
Left navigation: leftsidebar
Right navigation: rightsidebar
Menu: menu
Submenu: submenu
Title: title
Summary : summary

(3) Function

Logo: logo
Advertising: banner
Login: login
Login bar: loginbar
Registration: register
Search: search
Ribbon: shop
Title: title
Join: joinus
Status: status
Button: btn
Scroll: scroll
Tab page: tab
Article list: list
Prompt message: msg
Current : current
Tips: tips
Icon: icon
Note: note
Guide: guild
Service: service
Hot spot: hot
News: news
Download: download
Vote: vote
Partner: partner
Friendly link: link
Copyright: copyright

4. Notes::

1. All lowercase letters;
2. Try to use English;
3. Do not add dashes and About the writing standard order and naming rules of CSSs;
4. Try not to abbreviate words unless they are words that are easy to understand at a glance.

5. CSS style sheet file naming

Main master.css
Module module.css
Basically shared base.css
Layout, layout layout.css
Themes themes.css
Columns columns.css
Text font.css
Forms.css
Patch mend.css
Print print.css

The above is the content of this article All content, I hope it will be helpful to everyone's learning. For more related content, please pay attention to the PHP Chinese website!

Related recommendations:

About the application of CSS pseudo-elements

How to use CSS to control front-end image HTTP requests

The above is the detailed content of About the writing standard order and naming rules of CSS. For more information, please follow other related articles on the PHP Chinese website!