title: FLUTTER: How make a blurry text?
body: <p>I tried to make a blurry text using backdropfilter like this: </p>
  
  <p><code>BackdropFilter(
                          filter: ImageFilter.blur(sigmaX: 5, sigmaY: 5),
                          child: Text('Hello FLUTTTTER')
                        ),</code></p>
  
  <p>I have a problem, the text is not blur but I did like in this video: <a href="https://www.youtube.com/watch?v=dYRs7Q1vfYI" rel="nofollow noreferrer">https://www.youtube.com/watch?v=dYRs7Q1vfYI</a></p>