background-position
Important
This documentation is preliminary and subject to change.
Sets the position of the background of the object.
Syntax
{ background-position:
sPosition}
Possible values
sPosition
String that specifies one or two of the following values:
length |
Floating-point number, followed by an absolute units designator (cm, mm, in, pt, or pc) or a relative units designator (em, ex, or px). |
percentage |
Integer, followed by a percent sign (%). The value is a percentage of the width or height of the object:
|
This property has a default value of 0% 0%. It is not inherited.
Remarks
If only one value is set, that value applies to the horizontal coordinate, and the vertical coordinate is set to 50%. If both values are set, the first value applies to the horizontal coordinate and the second value applies to the vertical coordinate.
Setting the values to 0% 0% positions the background-image to the upper-left corner of the element's content, excluding the padding.
Specifying right center has the following effect: because right is assumed to be an x-coordinate direction, right overwrites the center value, and the background shifts right accordingly.
This property can be set with the other background properties using the background composite property.
Examples
The following example uses the background-position property to specify the position of a background image. This example uses a call to an embedded (global) style sheet to move the sphere:
<style>
.style1 {background-position:top center}
.style2 {background-position:bottom right}
</style>
</head><body onload="ospan.className='style1'">
<span style="font-size:14; width:250;" id="ospan"
onmouseover="this.className='style2'"
onmouseout="this.className='style1'">
. . .
</span>
Standards information
This property is defined in Cascading Style Sheets (CSS), Level 1 (CSS1) .
Applies to
A, ADDRESS, B, BIG, BLOCKQUOTE, BODY, BUTTON, CAPTION, CENTER, CITE, CODE, COL, COLGROUP, CUSTOM, DD, DEFAULTS, DFN, DIV, DL, DT, EM, FIELDSET, FORM, HN, HTML, I, 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, LI, OL, P, S, SPAN, SUB, TABLE, TBODY, TD, TFOOT, TH, THEAD, TR, TT, U, UL, VAR, XMP
See also
Concepts
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