How to Set a Fixed Background in JoomlaIn Feburary 2016 04,

In Feburary 2016 04,
Log in to the administration section of your Joomla website.
Upload the image you want to use as a background to the images folder in the Joomla code, using an FTP editor or through the Joomla Media Manager.
Navigate to the
Extensions tab, followed by
Template Manager and then click on the live template for the site. A yellow star beside the template name indicates the live template.
Click
Edit CSS. Choose the template for the site, usually called 'template.css.' Click the
Edit button to open the file for editing.
Search for the 'body' tag in the code.
Add the following code between the opening and closing brackets:background-image:URL('/images/image.gif');
background-repeat:no-repeat;
background-attachment:fixedThe image links to the image you uploaded earlier.
Click the
Save to save the file. Open the site in a browser and the image will now stay in position on the page when you scroll down.
In Feburary 2016 04,