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// In _NeumorphicContainerState.build > Listener > Container > BoxDecoration
// ...
colors: [
  _isPressed ? color : color.mix(Colors.black, .1),
  _isPressed ? color.mix(Colors.black, .05) : color,
  _isPressed ? color.mix(Colors.black, .05) : color,
  color.mix(Colors.white, _isPressed ? .2 : .5),
],
// ...

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// In _NeumorphicContainerState.build > Listener > Container > BoxDecoration
boxShadow: _isPressed ? null : [...]
// ...

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// In _NeumorphicContainerState.build > Listener > Container > BoxDecoration
// ...
color: color.mix(Colors.black, .05),
// ...

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// Converting NeumorphicContainer to a StatefulWidget
class NeumorphicContainer extends StatefulWidget {
  final Widget child;
  final double bevel;
  final Offset blurOffset;
  final Color color;

  NeumorphicContainer({
    Key key,
    this.child,

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gradient: LinearGradient(
  begin: Alignment.topLeft,
  end: Alignment.bottomRight,
  colors: [
    color.mix(Colors.black, .1),
    color,
    color,
    color.mix(Colors.white, .5),
  ],
  stops: [

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// ...
padding: const EdgeInsets.all(24.0),
// ...

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// In NeumorphicContainer.build > Container > BoxDecoration
// ...
gradient: LinearGradient(
  begin: Alignment.topLeft,
  end: Alignment.bottomRight,
  colors: [
    color.mix(Colors.white, .2),
    color.mix(Colors.black, .1),
  ]
),

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// In NeumorphicContainer.build > Container > BoxShadow
// Mixing with white
color: color.mix(Colors.white, .6),
// ...
// Mixing with black
color: color.mix(Colors.black, .3),
// ...

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class NeumorphicContainer extends StatelessWidget {
  // ...
  
  // New property, will store overridden color
  // if passed from outside
  final Color color;

  NeumorphicContainer({
    Key key,
    this.child,

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class NeumorphicContainer extends StatelessWidget {
  // ...
  
  // New property, will store overridden color
  // if passed from outside
  final Color color;

  NeumorphicContainer({
    Key key,
    this.child,