What are the css code specifications?

CSS code conventions are critical to maintaining consistency, readability, and maintainability. Common conventions include: Naming convention: Use lowercase letters and dashes, and make naming specific and descriptive. Indentation and alignment: Indent and align selectors, declarations, and values ​​according to specific rules. Property and value order: Arrange properties and values ​​in a specific order. Comments: Explain complex code and use correct syntax. Semicolon: Add a semicolon after each statement. Braces: Line break before the left brace. Other guidelines: Use quotes consistently, avoid !important, and use code optimization tools.

CSS code specifications

Following CSS code specifications is essential for maintaining consistency, readability, and maintainability. It's important. Common CSS coding conventions are listed below:

Naming Convention:

• Use lowercase letters and dashes to connect words.
• Avoid using common names, such as "my-class".
• Use a specific and descriptive name, such as "button--primary".

Indentation and Alignment:

• Indent code blocks 2-4 spaces.
• Align selectors, declarations and values.

Property order:

• Arrange properties in a specific order, for example:

  • Layout properties ( Such as display, position)
  • Text attributes (such as font-size, color)
  • Appearance attributes (such as background, border)

##Value order:

• Arrange values ​​in a specific order, for example:
  Length units (such as px, em, rem)
  • Color code (such as #ff0000, rgb(255, 0, 0))
  • Keywords (such as inherit, initial)

Comments:

Use comments to explain complex code segments or functions.
• Comments should be concise and to the point, using correct syntax.

Semicolon:

A semicolon (;) should be added after each declaration.
• Do not add semicolons on empty lines.

Braces:

For nested CSS blocks, wrap before the opening brace {.
• Do not break the line after the closing brace }.

Other specifications:

Use single or double quotes, but stay consistent.
• Avoid using !important.
• Use code optimization tools such as CSSNano to reduce file size.

Following these specifications will help create clean, easy-to-maintain CSS code and improve team collaboration and code readability.

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