What it is?
Flexible box or flexbox, is a new layout mode in CSS3. The main idea which stands behind the flex layout is to give the container the ability to change its items width and height to best fill the available space. We think this technique will be soon indispensable while developing responsive web sites and applications.
How can I use it?
There are many resources out there, below are some you may find very helpful:
- Complete guide to flexbox
- Flexbox layout examples
- CSS3 Flexible Box
- Using CSS Flexible boxes
- Another complete guide to flexbox
- Flexbox will be supported on Bootstrap 4