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Hypertext Markup Language, the standard markup language used to create web pages.

A unique identifier which can be used to specify a single element.

Defines a list item.

Embeds an image into the document.

A generic container for flow content, which does not inherently represent anything.

An attribute used to define equivalent styles for elements with the same class name.

Defines a paragraph.

Defines an unordered list.

An inline container used to mark up a part of a text, or a part of a document.

Represents 6 levels of section headings, where h1 is the highest level and h6 is the lowest.

Cascading Style Sheets, a style sheet language used for describing the presentation of a document written in HTML or XML.

Defines an ordered list.

Defines a hyperlink.

In CSS, the ID selector is used to select one unique element with the specific ID.

In CSS, selectors are patterns used to select the elements you want to style.

In CSS, properties are aspects of style that can be modified, such as color, border, and margin.

In CSS, the value is chosen to style the selected property of an element.

In CSS, the class selector is used to select elements with the specific class.

In CSS, the element selector is used to select all elements of a specific type.

In CSS, pseudo-classes are used to define the special state of an element.

In CSS, pseudo-elements are used to style specific parts of an element.

In CSS, grouping selectors allow you to apply the same style to multiple selectors.

In CSS, attribute selectors are a way to select elements based on their attribute values.

In CSS, a descendant selector matches all elements that are descendants of a specified element.

In CSS, a child selector matches all elements that are direct children of a specified element.

In CSS, a general sibling selector matches elements that share the same parent and follows another element.

In CSS, the universal selector is used to select all elements of any type on the page.

Comments are used to explain the code in HTML and are not displayed in the browser.

Comments are used within CSS to explain the code and are not displayed in the browser.