Understanding the Basics of Cascading Style Sheets
CSS stands for Cascading Style Sheets, a language used to style HTML documents.
CSS is used to control the layout and presentation of web pages.
CSS allows for separation of content from design, making maintenance easier.
CSS is a cornerstone technology of the World Wide Web, alongside HTML and JavaScript.
Selectors are used to target HTML elements to apply styles.
Properties define the aspects of the elements that are to be styled.
Values specify the settings for the properties.
A CSS rule consists of a selector and a declaration block.
CSS can be applied directly on HTML elements using the style attribute.
CSS can be included within the head section of an HTML document using the style tag.
CSS can be linked to an HTML document through an external file.
An external style sheet is a separate file with a .css extension.
Specificity determines which CSS rule is applied by the browsers.
The order of CSS rules can affect which styles are applied.
The !important rule can override any other conflicting styles.
Some CSS properties are inherited from parent elements to child elements.
The div tag is a block-level element used to group HTML elements.
Div tags are used for organizing, styling, and layout purposes.
Div tags can be styled using CSS to create structured layouts.
Div tags are versatile and can be used to create complex designs.
Selects HTML elements based on the element name.
Selects elements based on the class attribute.
Selects a single element based on the id attribute.
Selects all elements on a page.
Grouping selectors allows applying the same styles to multiple elements.
Selectors are separated by commas to form a group.
Grouping reduces repetition and improves CSS efficiency.
Example: h1, h2, h3 { color: red; }
Padding is the space between the content and the border of an element.
Padding can be set using the padding property in CSS.
Padding can be specified in pixels, ems, or percentages.
The padding property can be used as a shorthand for setting all sides.
Margin is the space outside the border of an element.
Margin can be set using the margin property in CSS.
Margin can be specified in pixels, ems, or percentages.
The margin property can be used as a shorthand for setting all sides.
Padding is used to create space within an element.
Margin is used to create space between elements.
Padding affects the element's background, while margin does not.
Both padding and margin influence the layout and spacing of elements.