margin-top Attribute | marginTop Property

DHTML, HTML, & CSS

margin-top Attribute | marginTop Property


Sets or retrieves the height of the top margin of the object.

Syntax

HTML{ margin-top: sHeight }
Scriptingobject.style.marginTop [ = sHeight ]

Possible Values

sHeight String that specifies one of the following values:
autoTop margin is set equal to the bottom margin.
heightFloating-point number, followed by an absolute units designator (cm, mm, in, pt, pc, or px) or a relative units designator (em or ex). For more information about the supported length units, see CSS Length Units.
percentageInteger, followed by a %. The value is a percentage of the height of the parent object.

The property is read/write with a default value of 0; the cascading style sheets (CSS) attribute is not inherited.

Expressions can be used in place of the preceding value(s), as of Microsoft® Internet Explorer 5. For more information, see dynamic propertiesInternet Link.

Remarks

As of Internet Explorer 4.0 and later, you can specify possible length values relative to the height of the element's font (em) or the height of the letter "x" (ex).

In Internet Explorer 3.0, the specified margin value is added to the default value of the object. In Internet Explorer 4.0 and later, the margin value is absolute. The margin properties do not work with the TD and TR objects in Internet Explorer 4.0, but they do work in Internet Explorer 3.0. To set margins in the cell for Internet Explorer 4.0 and later, apply the margin to an object, such as DIV or P, within the TD.

To use this property, inline objects must have an absolute position or layout. Element layout is set by providing a value for the height property or the width property.

Negative margins are supported, except for top and bottom margins on inline objects.

Example

The following examples use the margin-top attribute and the marginTop property to change the margin of the object.

This example uses HR as a selector and margin1 as a class in an embedded style sheet to set the top margin of the horizontal rule.

Sample Code

<STYLE>
    HR { margin-top:2cm }
    .margin1 { margin-top:4cm }
</STYLE>
</HEAD>
<BODY>
<HR onclick="this.className='margin1'" ondblclick="this.className=''">
</STYLE>

This feature requires Internet Explorer 4.0 or later. Click the icon below to install the latest version. Then reload this page to view the sample.
Microsoft Internet Explorer

This example uses inline scripting to set and reset the margin when the onclick and ondblclick events occur, respectively.

<HR onclick="this.style.marginTop='2cm'" 
ondblclick="this.style.marginTop=''">

This feature requires Internet Explorer 4.0 or later. Click the icon below to install the latest version. Then reload this page to view the sample.
Microsoft Internet Explorer

Applies To

[ Object Name ]
PlatformVersion
Win16:
Win32:
Mac:
Unix:
WinCE:
Version data is listed when the mouse hovers over a link, or the link has focus.
BLOCKQUOTE, BODY, BUTTON, CAPTION, CENTER, currentStyle, custom, DD, DIR, DIV, DL, DT, EMBED, FIELDSET, FORM, Hn, HR, IFRAME, IMG, INPUT type=button, INPUT type=checkbox, INPUT type=file, INPUT type=image, INPUT type=password, INPUT type=radio, INPUT type=reset, INPUT type=submit, INPUT type=text, ISINDEX, LI, LISTING, MARQUEE, MENU, OBJECT, OL, P, PLAINTEXT, PRE, runtimeStyle, SPAN, style, TABLE, TD, TEXTAREA, TH, UL, XMP

See Also

CSS Length Units

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