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Summary
The margin-right
CSS property of an element sets the margin space required on the right side of an element. A negative value is also allowed.
The vertical margins of two adjacent boxes may fuse. This is called margin collapsing.
Initial value | 0 |
---|---|
Applies to | all elements, except elements with table display types other than table-caption , table and inline-table . It also applies to ::first-letter . |
Inherited | no |
Percentages | refer to the width of the containing block |
Media | visual |
Computed value | the percentage as specified or the absolute length |
Animatable | yes, as a length |
Canonical order | the unique non-ambiguous order defined by the formal grammar |
Syntax
/* <length> values */ margin-right: 20px; /* An absolute length */ margin-right: 1em; /* A length relative to the text size */ margin-right: 5%; /* A margin relative to the nearest block container's width */ /* Keyword values */ margin-right: auto; /* Global values */ margin-right: inherit; margin-right: initial; margin-right: unset;
Values
<length>
- Is a
<length>
specifying a fixed width: it can be absolute width, e.g. inpx
, or a width relative to the text size, e.g. inem
, or relative to the viewport size, e.g. invh
. <percentage>
- Is a
<percentage>
relative to the width of the nearest containing block. auto
- Is a keyword indicating that the right margin receives a share of the remaining space, defined mainly by the current layout mode.. If there several
auto
values formargin-left
ormargin-right
, the calculated space is evenly distributed between all theauto
values. This table summarizes the different cases:Value of display
Value of float
Value of position
Computed value of auto
Comment inline
,inline-block
,inline-table
any static
orrelative
0
Inline layout mode block
,inline
,inline-block
,block
,table
,inline-table
,list-item
,table-caption
any static
orrelative
0
, except if bothmargin-left
andmargin-right
are set toauto
. In this case, it is set to the value centering the element inside its parent.Block layout mode block
,inline
,inline-block
,block
,table
,inline-table
,list-item
,table-caption
left
orright
static
orrelative
0
Block layout mode (floating element) any table-*
, excepttable-caption
any any 0
Internal table-*
elements don't have margins, useborder-spacing
insteadany, except flex
,inline-flex
, ortable-*
any fixed
orabsolute
0
, except if bothmargin-left
andmargin-right
are set toauto
. In this case, it is set to the value centering the border area inside the availablewidth
, if fixed.Absolutely positioned layout mode flex
,inline-flex
any any 0
, except if there is any positive horizontal free space. In this case, it is evenly distributed to all horizontalauto
margins.Flexbox layout mode
Formal syntax
<length> | <percentage> | auto
Examples
.content { margin-right: 5%; } .sidebox { margin-right: 10px; } .logo { margin-right: -5px; }
Specifications
Specification | Status | Comment |
---|---|---|
CSS Basic Box Model The definition of 'margin-right' in that specification. |
Working Draft | No significant change |
CSS Transitions The definition of 'margin-right' in that specification. |
Working Draft | Defines margin-right as animatable. |
CSS Flexible Box Layout Module The definition of 'margin-right' in that specification. |
Candidate Recommendation | Defines the behavior of margin-right on flex items. |
CSS Level 2 (Revision 1) The definition of 'margin-right' in that specification. |
Recommendation | Removes its effect on inline elements. |
CSS Level 1 The definition of 'margin-right' in that specification. |
Recommendation | Initial definition |
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
---|---|---|---|---|---|
Basic support | 1.0 | 1.0 (1.7 or earlier) | 3.0 | 3.5 | 1.0 (85) |
auto value |
1.0 | 1.0 (1.7 or earlier) | 6.0 (strict mode) | 3.5 | 1.0 (85) |
Feature | Android | Firefox Mobile (Gecko) | IE Phone | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|
Basic support | 1.0 | 1.0 (1) | 6.0 | 6.0 | 1.0 |
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