Basics
CSS Selectors
CSS Selectors Overview
CSS selectors target elements using element, class, ID, and [data-*] attributes.
Introduction to CSS Selectors
CSS selectors are the foundation of applying styles to HTML documents. They allow you to specify which elements you want to style, using various methods such as element names, classes, IDs, and attributes. Understanding how to effectively use selectors is crucial for creating efficient and maintainable stylesheets.
Element Selectors
Element selectors target HTML elements based on their tag name. This is the simplest form of selector and is useful when you want to apply the same style to all instances of a particular element.
Class Selectors
Class selectors target elements based on the class attribute. They are prefixed with a dot (.). Class selectors are useful for applying styles to multiple elements that share the same class name.
ID Selectors
ID selectors target a single element based on its id attribute. They are prefixed with a hash symbol (#). Since IDs are unique within a page, ID selectors apply styles to a single element.
Attribute Selectors
Attribute selectors target elements based on the presence or value of an attribute. They are especially useful for styling elements with specific attributes or attribute values.
Data Attribute Selectors
Data attribute selectors are used to style elements with data-* attributes. They allow for styling elements based on custom data attributes.
Conclusion
CSS selectors are a powerful tool for targeting and styling HTML elements. By understanding and using different types of selectors, such as element, class, ID, and attribute selectors, you can create flexible and efficient stylesheets. The next section will delve into combinators, which allow you to combine multiple selectors for more precise targeting.
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