Definition and Usage The CSS # id selector selects the element with the specified id.

Nov 7, 2025 · The CSS ID selector matches an element based on the value of the element's id attribute. In order for the element to be selected, its id attribute must match exactly the value …

Jul 11, 2025 · The ID selector in CSS is used to select a single element on a page by referencing its id attribute. This attribute must be unique within a page, meaning no two elements can have …

Use CSS ID selector to identify one HTML element, that you want to style with CSS. To identify more than one elements use ID selector. See examples.

Sep 6, 2011 · The #id selector allows you to target an element by referencing the id HTML attribute. Similar to how class attributes are denoted in CSS with a “period” (.) before the class …

Use the CSS ID selector (#id) to style a specific, unique element on a page. It overrides class and tag styles due to high specificity.

The CSS ID selector is used to select a single, unique element on a web page. It is the most specific type of selector, and it is used by targeting the element's id attribute. To use the ID …

Jun 14, 2025 · Master CSS ID selectors with this comprehensive guide. Learn syntax, best practices, and advanced techniques for targeting unique elements with practical examples and …

ID Selectors in CSS CSS ID selector selects a single element with a particular value for the id attribute. An id in CSS is denoted by the "#" (hash) symbol. The same class can be applied to …

Aug 7, 2025 · What Is an ID Selector? In CSS, the ID selector targets exactly one element on your page, identified by the “#” symbol: