FIG Sprite (the sprite was dropped) is a split image technique;
Instructions:
1. given viewport
width: xx px;
height: xx px;
2. Illustration
background-image: url ( "image path");
3. Move the position
background-position: x-axis coordinate of y-axis coordinates;
Pros: The small icons to put together a picture, the less memory, for developers do not bother to every little icon named, can also be effective pages load faster, can effectively enhance the user experience;
Disadvantages: need to use the picture viewing software to find the exact coordinates of each small icon, relatively cumbersome;