How to write css code

CSS writing methods include: selecting HTML elements with syntax selectors, setting attributes and values, and forming CSS declarations. Organizational forms include style sheets, style blocks, and inline styles. Selector types include element, class, ID, and wildcard selectors. Examples of common properties are color, font, size, background color, and alignment.

CSS code writing method

1. Writing syntax

• Selector: Specify the HTML element to which the style is to be applied.
• Properties: Style properties to set, such as color, font, and size.
• Value: The value corresponding to the attribute, such as red, Arial and 14px.
• CSS declaration: a complete declaration consisting of selectors, properties and values.

2. Syntax of CSS declaration:

<code>选择器 {属性: 值; 属性: 值; ...}</code>

3. Organization of CSS rules:

• Style sheet: A file containing a set of CSS rules.
• Style block: A