html - How do you make different layers of images in background? -

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I want to know which code is used to create such a background

What if I want to put a header in a way?

Be sure that what you are doing is "different layers".

Do you mean how the flags become radiant? They are just using the css3 opacity filter

Something like this: 

  .class {filter: alpha (ambiguity = 100); -moz-opacity: 1.0; -khtml-Opacity: 1.0; Opacity: 1.0; }. Category: Hover {Filters: Alpha (Opacity = 70); -moz-opacity: 0.7; -khtml-Opacity: 0.7; Opacity: 0.7;   
 If you want to change an image while changing it, you can use the CSS background-postian filter.  
 Assume that you have an image in 20px wide and 20px high Photoshop, repeat the canvas height, and put another image over it. Then do something like this in CSS:  
  .class {height: 20px; Width: 20px; Background: URL ('your / image.png'); Background-position: 0 px 0 px; }. Category: Hover {Background-Position: 0px-20px; } // or 20px depending on how you want to move your background image.   
 Still sure if he answers your questions.  
 Otherwise, "layers" are just div with the set of background images and then children's devices are set with different images.

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