title: How to remove space between widget inside column - Flutter
body: <p>I have simple screen that contains of 2 widget and I wrap it using <code>Column</code>, but there is always small space between first widget and second widget. Is there a way to remove space in Column. here is the picture that I would like to remove the space:
  <a href="https://i.stack.imgur.com/HmOW4.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/HmOW4.png" alt="enter image description here" /></a></p>
  <p>and here is the code:</p>
  <pre><code>Column(
                  crossAxisAlignment: CrossAxisAlignment.center,
                  mainAxisAlignment: MainAxisAlignment.center,
                  children: [
                    Container(
                      width: cardWidth,
                      height: cardHeight,
                      child: Card(
                        // color: Colors.transparent,
                        shape: RoundedRectangleBorder(
                          side: BorderSide(color: Colors.white70, width: 1),
                          borderRadius: BorderRadius.circular(20),
                        ),
                        child: Padding(
                          padding: const EdgeInsets.fromLTRB(30, 30, 30, 30),
                          child: Container(
                            child: Column(
                              crossAxisAlignment: CrossAxisAlignment.start,
                              children: [
                                ...
                                
                              ],
                            ),
                          ),
                        ),
                      ),
                    ),
                    Container(
                      width: sizeWidth - 135,
                      height: noteHeight,
                      child: Center(
                        child: Text(&quot;hi..&quot;),
                      ),
                      decoration: BoxDecoration(
                          color: noteAuth,
                          border: Border.all(
                            color: noteAuth,
                          ),
                          borderRadius: BorderRadius.only(
                              bottomLeft: Radius.circular(15),
                              bottomRight: Radius.circular(15))),
                    )
                  ],
                ),
  </code></pre>