Home Web Front-end CSS Tutorial How to use position in css

How to use position in css

Apr 26, 2024 am 11:00 AM
css absolute positioning relative positioning static positioning Fixed positioning

The position attribute in CSS is used to define the position of elements in the document flow. The possible values ​​are: static (default): elements are arranged in normal order in the document flow. relative: Moves an element a certain distance relative to its original position, but still remains in the document flow. absolute: Removes an element from the document flow and positions it relative to its parent or root element. fixed: Fixed the element in the browser viewport so that it does not move even if the page is scrolled.

How to use position in css

Usage of position in CSS

The position property defines the position of an element within the flow of the HTML document and surrounding elements. It can specify whether the element is static, relative, absolute or fixed.

1. static (default value)

Static positioning is the default positioning, and the element occupies normal space in the document flow.

2. relative

Relative positioning moves an element a distance from its normal position without taking it out of the flow of the document.

3. absolute

Absolute positioning removes an element from the document flow and positions it based on its parent or root element.

4. fixed

Fixed positioning fixes the element in the browser viewport and will not move even if the page is scrolled.

Usage

The syntax of the position attribute is as follows:

position: value;
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Among them, value can be one of the following values:

  • static
  • relative
  • absolute
  • fixed

Example

The following example will div The element is positioned relative to 10px and moved to the right:

div {
  position: relative;
  right: 10px;
}
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The following example positions the div element absolutely in the lower right corner of the page:

div {
  position: absolute;
  bottom: 0;
  right: 0;
}
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Note:

  • Only elements with positioning attributes can set the left, right, top and bottom attributes.
  • Relatively positioned elements occupy space in the document flow, while absolutely positioned elements do not.
  • Fixed positioned elements will not move as the page scrolls, but will affect the positioning of other elements.

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