CSS Margin Collapse
Padding is used to create space around an element's content, inside of any defined borders.
CSS Padding
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).
Padding - Individual Sides
CSS has properties for specifying the padding for each side of an element:
padding-top
padding-right
padding-bottom
padding-left
All the padding properties can have the following values:
- length - specifies a padding in px, pt, cm, etc.
- % - specifies a padding in % of the width of the containing element
- inherit - specifies that the padding should be inherited from the parent element
Note: Negative values are not allowed.
Example
Set different padding for all four sides of a <div> element:
div { padding-top: 50px; padding-right: 30px; padding-bottom: 50px; padding-left: 80px; }
Padding - Shorthand Property
To shorten the code, it is possible to specify all the padding properties in one property.
The padding
property is a shorthand property for the following individual padding properties:
padding-top
padding-right
padding-bottom
padding-left
So, here is how it works:
If the padding
property has four values:
- padding: 25px 50px 75px 100px;
- top padding is 25px
- right padding is 50px
- bottom padding is 75px
- left padding is 100px
Example
Use the padding shorthand property with four values:
div { padding: 25px 50px 75px 100px; }
If the padding
property has three values:
- padding: 25px 50px 75px;
- top padding is 25px
- right and left paddings are 50px
- bottom padding is 75px
Example
Use the padding shorthand property with three values:
div { padding: 25px 50px 75px; }
If the padding
property has two values:
- padding: 25px 50px;
- top and bottom paddings are 25px
- right and left paddings are 50px
Example
Use the padding shorthand property with two values:
div { padding: 25px 50px; }
If the padding
property has one value:
- padding: 25px;
- all four paddings are 25px
Example
Use the padding shorthand property with one value:
div { padding: 25px; }
Padding and Element Width
The CSS width
property specifies the width of the element's content area. The content area is the portion inside the padding, border, and margin of an element (the box model).
So, if an element has a specified width, the padding added to that element will be added to the total width of the element. This is often an undesirable result.
Example
Here, the <div> element is given a width of 300px. However, the actual width of the <div> element will be 350px (300px + 25px of left padding + 25px of right padding):
div { width: 300px; padding: 25px; }
To keep the width at 300px, no matter the amount of padding, you can use the box-sizing
property. This causes the element to maintain its actual width; if you increase the padding, the available content space will decrease.
Example
Use the box-sizing property to keep the width at 300px, no matter the amount of padding:
div { width: 300px; padding: 25px; box-sizing: border-box; }
More Examples
Set the left padding
This example demonstrates how to set the left padding of a <p> element.
Set the right padding
This example demonstrates how to set the right padding of a <p> element.
Set the top padding
This example demonstrates how to set the top padding of a <p> element.
Set the bottom padding
This example demonstrates how to set the bottom padding of a <p> element.
All CSS Padding Properties
Property | Description |
---|---|
padding | A shorthand property for setting all the padding properties in one declaration |
padding-bottom | Sets the bottom padding of an element |
padding-left | Sets the left padding of an element |
padding-right | Sets the right padding of an element |
padding-top | Sets the top padding of an element |