title: Remove space between two Column in Flutter
body: <p>I want to remove the gap between these two columns.
  <a href="https://i.stack.imgur.com/X7Ejo.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/X7Ejo.png" alt="enter image description here"></a>
  How can I achieve this?</p>
  
  <p>This is the code which I tried. The <code>Expanded()</code> here is inside the <code>Row()</code> widget.
  I would like to decrease the gap between the two <code>Columns()</code>. I tried wrapping both Columns inside a Container and implementing Padding on it, but it doesn't work. I tried mainAxisAlignment also.</p>
  
  <pre><code>                 Expanded(
                    child: Column(
                      children: &lt;Widget&gt;[
                        Container(
                          width: 98.0,
                          child: Card(
                            child: ListTile(
                              title: Row(
                                mainAxisAlignment: MainAxisAlignment.center,
                                children: &lt;Widget&gt;[
                                  Text(
                                    'Room 1',
                                    style: TextStyle(
                                      fontWeight: FontWeight.bold,
                                    ),
                                  ),
                                ],
                              ),
                              subtitle: Padding(
                                padding: const EdgeInsets.only(top:8.0),
                                child: Row(
                                  mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                                  children: &lt;Widget&gt;[
                                    Icon(
                                      Icons.check_box_outline_blank
                                    ),
                                    Icon(
                                      Icons.check_box,
                                    )
                                  ],
                                ),
                              ),
                            ),
                          ),
                        ),
                      ],
                    ),
                  ),
                  Expanded(
                    child: Column(
                      children: &lt;Widget&gt;[
                        Container(
                          width: 98.0,
                          child: Card(
                            child: ListTile(
                              title: Row(
                                mainAxisAlignment: MainAxisAlignment.center,
                                children: &lt;Widget&gt;[
                                  Text(
                                    'Room 1',
                                    style: TextStyle(
                                      fontWeight: FontWeight.bold,
                                    ),
                                  ),
                                ],
                              ),
                              subtitle: Padding(
                                padding: const EdgeInsets.only(top:8.0),
                                child: Row(
                                  mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                                  children: &lt;Widget&gt;[
                                    Icon(
                                      Icons.check_box_outline_blank
                                    ),
                                    Icon(
                                      Icons.check_box,
                                    )
                                  ],
                                ),
                              ),
                            ),
                          ),
                        ),
                      ],
                    ),
                  )
  </code></pre>