Utilities for controlling how flex items both grow and shrink.
<table style="display: table;">
<thead>
<tr>
<th style="text-align: center;">Class</th>
<th style="text-align: center;">Properties</th>
</tr>
</thead>
<tbody>
<tr><td>flex-1</td><td>flex: 1 1 0%;</td></tr>
<tr><td>flex-auto</td><td>flex: 1 1 auto;</td></tr>
<tr><td>flex-initial</td><td>flex: 0 1 auto;</td></tr>
<tr><td>flex-none</td><td>flex: none;</td></tr>
</tbody>
</table>
### Arbitrary values
Any property is allowed as arbitrary value.
For example, `flex-[2_2_10%]`.
[Tailwind reference](https://tailwindcss.com/docs/flex)