How to customize Parallax?

Good day!
Use Parallax - 2.1.3
Structure - scene
< ul id = "scene" >
 < li class = "layer" data - deep = "0.00" > < img src = " layer1.png " > </ li >
 < li class = "layer" data - deep = "0.20" > < img src = " layer2.png " > </ li >
 < li class = "layer" data - deep = "0.40" > < img src = " layer3.png " > </ li >
 </ ul >
< ul id = "scene-2" >
 < li class = "layer" data - deep = "0.00" > < img src = " layer1.png " > </ li >
 < li class = "layer" data - deep = "0.20" > < img src = " layer2.png " > </ li >
 < li class = "layer" data - deep = "0.40" > < img src = " layer3.png " > </ li >
 </ ul >
< ul id = "scene-3" >
 < li class = "layer" data - deep = "0.00" > < img src = " layer1.png " > </ li >
 < li class = "layer" data - deep = "0.20" > < img src = " layer2.png " > </ li >
 < li class = "layer" data - deep = "0.40" > < img src = " layer3.png " > </ li >
 </ ul >

Initialization of objects
var scene = document.getElementById('scene');
var parallax = new Parallax(scene);

Please tell me how to change JS initializing all elements in the scene was moving smoothly when the user logs on and is not dependent on the movement of the mouse (and on mobile devices, including)) the same as on the DEMO?
Thank you!
April 7th 20 at 15:37
0 answer

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