opacityQuarter method
Applies 25% opacity to the widget.
This is a convenience method equivalent to calling opacity(0.25).
Useful for creating subtle background elements or very faded content.
Returns an Opacity widget with 25% opacity.
Example:
Image.asset('watermark.png')
.opacityQuarter(); // Creates a subtle watermark
Implementation
Opacity opacityQuarter() => opacity(0.25);