CSS learning process - (a) detailed common selector: id class tag grouping offspring *

Define the location of the style properties
1. tag style attribute
2. Write in a style tag
3. defined in the CSS file

Selector : browser by choosing to add CSS styles to meet the conditions of HTML elements
id selectors


class selectors

tag selector

// priority
// the style property is not repeated is not overwritten
//! important priority will be to do the upgrade, this selector-based

bank selector

descendant selectors

wildcard selector

/ Wildcard selector matches any HTML elements in the HTML document, the following syntax: /

*{
	declaration1;
	declaration2;
   	…
}

Pseudo-classes