Everything about Flexbox!

Gaps :-

Gap (Row & Col) (0px)

Row Gap (0px)

Column Gap (0px)

Flex Wraps :-

No Wrap

Wrap

Wrap Reverse

BOX

ITEM1

ITEM2

ITEM3

HTML

                
<div class="flexbox">
    <div class="flexitem item1"></div>
    <div class="flexitem item2"></div>
    <div class="flexitem item3"></div>
</div>

CSS

                
/* Flexbox! */

Shows Alert Message.