Flutter de la caja de desbordamiento
// this will give you any size you want not considering it's parent size and
// will also not give you any overflow error even if any(unlike unconstrained box)
OverflowBox(
minWidth: 0.0,
minHeight: 0.0,
maxWidth: double.infinity,
maxHeight: double.infinity,
child: Container(color: red, width: 4000, height: 50),
)
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