Topic Overview

Select and Declare Elements and Rules Property and Value The Anatomy of Style TODO

Where to Style The Style Attribute The Style Element The Style Document TODO

Directory Placement The <link> Tag Relationship Type Href The <link> Element TODO

Comments in CSS Understanding Styling Applying Style TODO

Universal Selectors Element Selectors Class Selectors ID Selectors TODO

Cascading in CSS Rules Order Specificity Setting Importance TODO

Specifying Color Color Names RGB Values Hex Codes Saturated Color Desaturated Color (Grayscale) Combining Colors TODO

Background Color Text Color Opacity Basic Positioning Learn More TODO

ID Selectors

Just like the class selector, the ID selector allows developers to define style rules for a specific element by calling its unique ID.

ID names are prepended with a number sign (#).