The way of putting all the pictures into one picture_html/css_WEB-ITnose

In order to speed up loading, put all the required images on one image, and then display the specified area through CSS control.
Ask, how do you determine the area to be used? Calculate pixel offset?

Reply to discussion (solution)

background-position

CSS sprite
http://css.v2bo.com /

There are two ways, one is similar to fis, which is automatically calculated,
the other is manually measured in PS, and then calculated one by one.