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CSS Basic Introduction, Rules, And Tips
- 1. CSS Basic Introduction, Rules, And Tips 2
- 2. CSS Introduction, Rules, And Tips: CSS stands for Cascading Style Sheets. CSS describes how HTML elements are to be displayed on screen, paper, or in other media. CSS saves a lot of work. It can control the layout of multiple web pages all at once
- 3. CSS Syntax: The selector points to the HTML element you want to style. The declaration block contains one or more declarations separated by semicolons. Each declaration includes a CSS property name and a value, separated by a colon. Multiple CSS declarations are separated with semicolons, and declaration blocks are surrounded by curly braces.
- 5. CSS Selectors: CSS selectors are used to "find" (or select) the HTML elements you want to style. We can divide CSS selectors into five categories: •Simple selectors (select elements based on name, id, class) •Combinator selectors (select elements based on a specific relationship between them) •Pseudo-class selectors (select elements based on a certain state) •Pseudo-elements selectors (select and style a part of an element) •Attribute selectors (select elements based on an attribute or attribute value)
- 7. CSS Selectors: CSS selectors are used to "find" (or select) the HTML elements you want to style. We can divide CSS selectors into five categories: •Simple selectors (select elements based on name, id, class) •Combinator selectors (select elements based on a specific relationship between them) •Pseudo-class selectors (select elements based on a certain state) •Pseudo-elements selectors (select and style a part of an element) •Attribute selectors (select elements based on an attribute or attribute value)
- 9. CSS ID Selectors: The id selector uses the id attribute of an HTML element to select a specific element. The id of an element is unique within a page, so the id selector is used to select one unique element! To select an element with a specific id, write a hash (#) character, followed by the id of the element.
- 11. CSS Class Selectors: The class selector selects HTML elements with a specific class attribute. To select elements with a specific class, write a period (.) character, followed by the class name.
- 12. CSS Universal Selectors: The universal selector (*) selects all HTML elements on the page. CSS Grouping Selectors The grouping selector selects all the HTML elements with the same style definitions. Look at the following CSS code (the h1, h2, and p elements have the same style definitions):