width: 100px
width: 200px
width: 300px

Flex container⤴

width: 100px;
flex-basis: 200px;
width: 200px;
flex-basis: 300px;
width: 300px;
flex-basis: 100px;

Flex container⤴

width: 200px
width: 400px
width: 200px

Flex container⤴

lots of content, but no width explicitly set.
Even more content than above, but no width explicitly set.
Lots and lots of content.Even more content than above, but no width explicitly set.

Flex container⤴