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A CSS rule consists of a CSS selector and a set of CSS properties. The CSS selector determines what HTML elements to target with the CSS rule. The CSS properties specifies what to style of the targeted HTML elements. CSS rules have to be specified inside either a style element or inside an external CSS file.
What is an example for CSS property?
CSS PropertiesOrder by Category Property Description background-position Defines the origin of a background image. background-repeat Specify whether/how the background image is tiled. background-size Specifies the size of the background images. border Sets the width, style, and color for all four sides of an element’s border.
What are the common CSS properties?
Common CSS Properties Reference CSS JavaScript border-top-style borderTopStyle border-top-width borderTopWidth border-width borderWidth clear clear.
How many properties CSS have?
W3Schools lists 228 of them.
What is CSS property value?
The used value of a CSS property is its value after all calculations have been performed on the computed value. After the user agent has finished its calculations, every CSS property has a used value. The used values of dimensions (e.g., width , line-height ) are in pixels.
Is style a CSS property?
The style property returns a CSSStyleDeclaration object, which represents an element’s style attribute. The style property is used to get or set a specific style of an element using different CSS properties. Note: The style property only returns the CSS declarations set in the element’s inline style attribute, e.g.
Why float is used in CSS?
The float CSS property places an element on the left or right side of its container, allowing text and inline elements to wrap around it. The element is removed from the normal flow of the page, though still remaining a part of the flow (in contrast to absolute positioning).
How do you write CSS?
7 Important Tips for Writing Better CSS DRY. DRY stands for “Don’t Repeat Yourself”. Naming. Naming CSS selectors is another important point for writing better CSS. Don’t Use Inline-Styles. Avoid the ! Use a Preprocessor. Use Shorthands. Add Comments When Necessary.
What are the 3 types of CSS?
There are three types of CSS which are given below: Inline CSS. Internal or Embedded CSS. External CSS.
What is outline property in CSS?
An outline is a line that is drawn around elements, outside the borders, to make the element “stand out”. The outline property is a shorthand property for: outline-width. outline-style (required) outline-color.
What is external CSS?
An external style sheet is a separate CSS file that can be accessed by creating a link within the head section of the webpage. Multiple webpages can use the same link to access the stylesheet. The link to an external style sheet is placed within the head section of the page.
What is internal CSS?
An internal CSS is used to define a style for a single HTML page. An internal CSS is defined in the <head> section of an HTML page, within a <style> element.
How do I center a div?
To center a div horizontally on a page, simply set the width of the element and the margin property to auto. That way, the div will take up whatever width is specified in the CSS and the browser will ensure the remaining space is split equally between the two margins.
What is Z index in CSS?
Z Index ( z-index ) is a CSS property that defines the order of overlapping HTML elements. Elements with a higher index will be placed on top of elements with a lower index. Note: Z index only works on positioned elements ( position:absolute , position:relative , or position:fixed ).
What is padding in CSS?
The CSS padding properties are used to generate space around an element’s content, inside of any defined borders. With CSS, you have full control over the padding. There are properties for setting the padding for each side of an element (top, right, bottom, and left).
What Is syntax of CSS?
A CSS Syntax rule consists of a selector, property, and its value. The selector points to the HTML element where CSS style is to be applied. The CSS property is separated by semicolons. It is a combination of selector name followed by the property: value pair that is defined for the specific selector.
What is shorthand CSS?
What is CSS shorthand? CSS shorthand is a group of CSS properties that allow values of multiple properties to be set simultaneously. These values are separated by spaces. For example, the border property is shorthand for the border-width, border-style, and border-color properties.
How many styles are there in CSS?
There are 3 distinct methods for styling in CSS, Local style, Page-Level style, and External Styles. Each level of styling is given a different hierarchical priority (when to apply) and is used for different reasons. The 3 methods are further grouped into two categories. Namely Internal CSS and External CSS.
What is CSS list their types?
HTML Lists and CSS List Properties. In HTML, there are two main types of lists: unordered lists (<ul>) – the list items are marked with bullets. ordered lists (<ol>) – the list items are marked with numbers or letters.
How many types of CSS are used explain?
There are 3 types of CSS which are below: Inline CSS. Internal/ Embedded CSS. External CSS.
What is difference between Border property and outline property?
The CSS border properties allow you to specify the style and color of an element’s border. An outline is a line that is drawn around elements (outside the borders) to make the element “stand out”. The outline shorthand property sets all the outline properties in one declaration.
Which of the following property is used as the shorthand property for the padding properties?
An element’s padding is the space between its content and its border. The padding property is a shorthand property for: padding-top.
What is empty cell property for table in CSS?
The empty-cells property in CSS selects empty table cells for the purpose of specifying whether or not to display borders and backgrounds on them. In other words, it tells the browser whether or not to draw borders around a table cell or fill in the background when that cell contains no content.
How CSS is used in HTML?
CSS is used for defining the styles for web pages. It describes the look and formatting of a document which is written in a markup language. It provides an additional feature to HTML. It is generally used with HTML to change the style of web pages and user interfaces.
Why is DIV tag used?
The div tag is used in HTML to make divisions of content in the web page like (text, images, header, footer, navigation bar, etc). It is used to the group of various tags of HTML so that sections can be created and style can be applied to them.
What is CSS language?
Cascading Style Sheets (CSS) is a style sheet language used for describing the presentation of a document written in a markup language such as HTML. CSS is designed to enable the separation of presentation and content, including layout, colors, and fonts.
