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Summary
The padding
property sets the padding space on all sides of an element. The padding area is the space between the content of the element and its border. Negative values are not allowed.
The padding
property is a shorthand to avoid setting each side separately (padding-top
, padding-right
, padding-bottom
, padding-left
).
Initial value | as each of the properties of the shorthand: |
---|---|
Applies to | all elements, except table-row-group , table-header-group , table-footer-group , table-row , table-column-group and table-column . It also applies to ::first-letter . |
Inherited | no |
Percentages | refer to the width of the containing block |
Media | visual |
Computed value | as each of the properties of the shorthand:
|
Animatable | yes, as a length |
Canonical order | the unique non-ambiguous order defined by the formal grammar |
Syntax
/* Apply to all four sides */ padding: 1em; /* vertical | horizontal */ padding: 5% 10%; /* top | horizontal | bottom */ padding: 1em 2em 2em; /* top | right | bottom | left */ padding: 2px 1em 0 1em; /* Global values */ padding: inherit; padding: initial; padding: unset;
Values
Specifies one, two, three or four of the following values:
<length>
- Specifies a non-negative fixed width. See
<length>
for details. <percentage>
- With respect to the width of the containing block.
- One single value applies to all 4 sides
- Two values apply to 1. top and bottom and 2. to the left and right side
- Three values apply to 1. top, 2. right and left and 3. to the bottom side
- Four values apply to 1. top, 2. right, 3. bottom and 4. to the left side
Formal syntax
[ <length> | <percentage> ]{1,4}
Examples
padding: 5%; /* on all sides 5% padding */
padding: 10px; /* on all sides 10px padding */
padding: 10px 20px; /* top and bottom 10px padding */ /* left and right 20px padding */
padding: 10px 3% 20px; /* top 10px padding */ /* left and right 3% padding */ /* bottom 20px padding */
padding: 1em 3px 30px 5px; /* top 1em padding */ /* right 3px padding */ /* bottom 30px padding */ /* left 5px padding */
border:outset; padding:5% 1em;
Live Sample
HTML
<h4>Hello world!</h4> <h3>The padding is different in this line.</h3>
CSS
h4{ background-color: green; padding: 50px 20px 20px 50px; } h3{ background-color: blue; padding: 400px 50px 50px 400px; }
Specifications
Specification | Status | Comment |
---|---|---|
CSS Basic Box Model The definition of 'padding' in that specification. |
Working Draft | No change |
CSS Level 2 (Revision 1) The definition of 'padding-top' in that specification. |
Recommendation | No change |
CSS Level 1 The definition of 'padding' in that specification. |
Recommendation | Initial definition |
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
---|---|---|---|---|---|
Basic support | 1.0 | 1.0 (1.0) | 4.0 | 3.5 | 1.0 (85) |
Feature | Android | Firefox Mobile (Gecko) | IE Phone | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|
Basic support | ? | ? | ? | ? | ? |
See also
Tag del documento e collaboratori
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