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Color and Background Properties

CSS allows you to set the color properties of any text used within an element as well as the background color or a background image.

Color Units

Color can be expressed in different ways.

By name e.g. red or green
By RGB value which can be represented in several ways
- Hexadecimal e.g. #ff0000.
- Decimal e.g. 255,0,0.
- Percentage e.g. 100%,0%,0%.

Example of Setting the Element Properties of a Class

.element_class_name {
color: #0000ff;
background-color: #ffffff;
background: url(images/background_image.jpg);
background-repeat: no-repeat
}

Property	Description	Values
color	Sets the text color within the element.	color
background−attachment	Determines whether a background image will remain fixed or scroll with the page.	fixed scroll
background−color	Sets the background color.	transparent color
background−image	Sets an image as the background. You must specify a URL for the image. The syntax is background-image: url(URL) where URL is absolute or relative.	none url (URL)
background−position	Sets the location of the background image using 2 of the values from those below. Keywords top, center, bottom, left, right Percentage % Length px	top left top center top right center left center center center right bottom left bottom center bottom right x% y% xpx ypx
background−repeat	Sets whether the background image is to repeat or how it is to repeat. Default repeats the image in both directions, repeat-x repeats across and repeat-y repeats down.	repeat repeat-x repeat-y no-repeat