CSS - bottom


The bottom property defines an offset of the bottom edge of an absolutely positioned element from the bottom edge of its positioning context, or the vertical distance which a relatively positioned element will be displaced.

Possible Values:

  • length: A fixed distance from the bottom of the positioning context.
  • percent: Some percentage of the height of the positioning context, assuming that the height of the context has been set explicitly. If not, then a percentage value for bottom is treated as though it were auto.
  • auto: Default. Lets the browser calculate the bottom position.

Applies to:

All the HTML positioned element.

DOM Syntax:



Here is the example which shows effect of this property:

<p style="position:absolute; bottom:100px;">
This line will be positioned 100px above from the 
bottom edge of this window.


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