- The CSS element Selector
- The CSS id Selector
- The CSS class Selector
- The CSS Universal Selector
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The CSS element Selector
The element selector selects HTML elements based on the element name.
The CSS id Selector
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.
Note: An id name cannot start with a number!
The CSS class Selector
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.
Note: A class name cannot start with a number!
The CSS Universal Selector
The universal selector (*) selects all HTML elements on the page.