justify-content: space-around
a1
a3
a3
a1; width: 250px
a2; width: 250px
a3; width: 250px
a1; flex-basis: 250px
a2; flex-basis: 250px
a3; flex-basis: 250px
a1; width: 250px
a2; width: 250px
a3; width: 250px
a1; width: 250px
a2; width: 250px
a3; width: 250px
width: 250px
width: 250px
width: 250px
width: 250px; height: 30px
width: 250px
width: 250px
flex-grow: 1
item
flex-grow: 1
flex-grow: 1
flex-grow: 1
flex-grow: 1
flex-grow: 3
flex-grow: 1
margin: auto
margin: 0 auto
margin: 0 auto
margin: 0 auto
margin: 0
margin: 0
margin: 0 auto
margin: auto
margin: auto
margin: auto
margin: auto
margin: auto
align-items: flex-end; justify-content: flex-end
item
item
order: 1
order: 1
order: 0