The right CSS property participates in specifying the horizontal position of a positioned element. It has no effect on non-positioned elements.
The effect of right depends on how the element is positioned (i.e., the value of the position property):
position is set to absolute or fixed, the right property specifies the distance between the element's right edge and the right edge of its containing block.position is set to relative, the right property specifies the distance the element's right edge is moved to the left from its normal position.position is set to sticky, the right property behaves like its position is relative when the element is inside the viewport, and like its position is fixed when it is outside.position is set to static, the right property has no effect.When both left and right are defined, the position of the element is overspecified. When this is the case, the left value has precedence when the container is left-to-right (thus, the computed value of right is set to -left); the right value has precedence when the container is right-to-left (thus, the computed value of left is set to -right).
/* <length> values */ right: 3px; right: 2.4em; /* <percentage>s of the width of the containing block */ right: 10%; /* Keyword value */ right: auto; /* Global values */ right: inherit; right: initial; right: unset;
<length><length> that represents: <percentage><percentage> of the containing block's width.autoleft property, while width: auto is treated as a width based on the content; or if left is also auto, the element is positioned where it should horizontally be positioned if it were a static element.left property; or if left is also auto, the element is not moved horizontally at all.inherit<length>, <percentage>, or the auto keyword.<length> | <percentage> | auto
#example_3 {
width: 100px;
height: 100px;
background-color: #FFC7E4;
position: relative;
top: 20px;
left: 20px;
}
#example_4 {
width: 100px;
height: 100px;
background-color: #FFD7C2;
position: absolute;
bottom: 10px;
right: 20px;
} <div id="example_3">Example 3</div> <div id="example_4">Example 4</div>
| Specification | Status | Comment |
|---|---|---|
| CSS Transitions The definition of 'right' in that specification. | Working Draft | Defines right as animatable. |
| CSS Positioned Layout Module Level 3 The definition of 'right' in that specification. | Working Draft | Adds behavior for sticky positioning. |
| CSS Level 2 (Revision 1) The definition of 'right' in that specification. | Recommendation | Initial definition. |
| Initial value | auto |
|---|---|
| Applies to | positioned elements |
| Inherited | no |
| Percentages | refer to the width of the containing block |
| Media | visual |
| Computed value | if specified as a length, the corresponding absolute length; if specified as a percentage, the specified value; otherwise, auto
|
| Animation type | a length, percentage or calc(); |
| Canonical order | the unique non-ambiguous order defined by the formal grammar |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | 1 | 12 | 1 | 5.5 | 5 | 1 |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | 1 | Yes | Yes | 4 | Yes | 1 | Yes |
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https://developer.mozilla.org/en-US/docs/Web/CSS/right