Tóm Tắt
CSS
background-attachment
Property
Example
A background-image that will not scroll with the page (fixed):
body {
background-image: url(“img_tree.gif”);
background-repeat: no-repeat;
background-attachment: fixed;
}
Try it Yourself »
More “Try it Yourself” examples below.
Definition and Usage
The background-attachment
property sets whether a background image
scrolls with the rest of the page, or is fixed.
Default value:
scroll
Inherited:
no
Animatable:
no. Read about animatable
Version:
CSS1
JavaScript syntax:
object.style.backgroundAttachment=”fixed”
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Browser Support
The numbers in the table specify the first browser version that fully supports the property.
Property
background-attachment
1.0
4.0
1.0
1.0
3.5
CSS Syntax
background-attachment: scroll|fixed|local|initial|inherit;
Property Values
Value
Description
scroll
The background image will scroll with the page. This is default
fixed
The background image will not scroll with the page
local
The background image will scroll with the element’s contents
initial
Sets this property to its default value. Read about initial
inherit
Inherits this property from its parent element. Read about inherit
More Examples
Example
A background-image that will scroll with the page (scroll). This is default:
body {
background-image: url(“img_tree.gif”);
background-repeat: no-repeat;
background-attachment: scroll;
}
Try it Yourself »
Example
How to create a simple parallax scrolling effect (create an illusion of 3D depth):
.fixed-bg {
/* The background image */
background-image: url(“img_tree.gif”);
/* Set a specified height, or the minimum height for the background image */
min-height: 500px;
/* Set background image to fixed (don’t scroll along with the page) */
background-attachment: fixed;
/* Center the background image */
background-position: center;
/* Set the background image to no repeat */
background-repeat: no-repeat;
/* Scale the background image to be as large as possible */
background-size: cover;
}
Try it Yourself »
Related Pages
CSS tutorial: CSS Background
HTML DOM reference:
backgroundAttachment
property