Changes

   this.useGPU = true;            // Enable transform-based hardware acceleration, reduce CPU load.

   this.useGPU = true;            // Enable transform-based hardware acceleration, reduce CPU load.

   this.className = null;          // CSS class name for further customization on snow elements

   this.className = null;          // CSS class name for further customization on snow elements

   this.excludeMobile = true;      // Snow is likely to be bad news for mobile phones' CPUs (and batteries.) By default, be nice.

   this.excludeMobile = false;      // Snow is likely to be bad news for mobile phones' CPUs (and batteries.) By default, be nice.

   this.flakeBottom = null;        // Integer for Y axis snow limit, 0 or null for "full-screen" snow effect

   this.flakeBottom = null;        // Integer for Y axis snow limit, 0 or null for "full-screen" snow effect

   this.followMouse = true;        // Snow movement can respond to the user's mouse

   this.followMouse = true;        // Snow movement can respond to the user's mouse

   this.useMeltEffect = true;      // When recycling fallen snow (or rarely, when falling), have it "melt" and fade out if browser supports it

   this.useMeltEffect = true;      // When recycling fallen snow (or rarely, when falling), have it "melt" and fade out if browser supports it

   this.useTwinkleEffect = false;  // Allow snow to randomly "flicker" in and out of view while falling

   this.useTwinkleEffect = false;  // Allow snow to randomly "flicker" in and out of view while falling

   this.usePositionFixed = true;  // true = snow does not shift vertically when scrolling. May increase CPU load, disabled by default - if enabled, used only where supported

   this.usePositionFixed = false;  // true = snow does not shift vertically when scrolling. May increase CPU load, disabled by default - if enabled, used only where supported

   this.usePixelPosition = false;  // Whether to use pixel values for snow top/left vs. percentages. Auto-enabled if body is position:relative or targetElement is specified.

   this.usePixelPosition = false;  // Whether to use pixel values for snow top/left vs. percentages. Auto-enabled if body is position:relative or targetElement is specified.