margin-top Attribute | marginTop Property

DHTML, HTML, & CSS

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DHTML Properties

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margin-top Attribute | marginTop Property

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

Syntax

HTML { margin-top: sHeight }

Scripting object.style.marginTop [ = sHeight ]

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

Possible Values

sHeight String that specifies one of the following values:

auto Top margin is set equal to the bottom margin.

height Floating-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.

percentage Integer, 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 properties.

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.

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.

Applies To

[ Object Name ]

Platform Version

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