margin-top

Summary

The effect of the CSS margin-top property on the element box The margin-top CSS property of an element sets the margin space required on the top of an element. A negative value is also allowed.

This property has no effect on non-replaced inline elements, like <tt> or <span>.

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-top: 10px;        /* An absolute length */
margin-top: 1em;         /* A length relative to the text size */
margin-top: 5%;          /* A margin relative to the nearest block container's width */

/* Keyword values */
margin-top: auto;

/* Global values */
margin-top: inherit;
margin-top: initial;
margin-top: unset;

Values

<length>: Specifies a fixed width. See <length> for possible values.
<percentage>: A <percentage> always relative to the width of the containing block.
auto: See margin.

Formal syntax

<length> | <percentage> | auto

Examples

.content { margin-top:   5%; }
.sidebox { margin-top: 10px; }
.logo    { margin-top: -5px; }
#footer  { margin-top:  1em; }

Specifications

Specification	Status	Comment
CSS Basic Box Model The definition of 'margin-top' in that specification.	Working Draft	No significant change
CSS Transitions The definition of 'margin-top' in that specification.	Working Draft	Defines `margin-top` as animatable.
CSS Level 2 (Revision 1) The definition of 'margin-top' in that specification.	Recommendation	Removes its effect on inline elements.
CSS Level 1 The definition of 'margin-top' in that specification.	Recommendation	Initial definition

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