Use the .justify-content-*-between to display flex items in "between" inside a flex container on different screen sizes.
Resize the browser window to see the effect.
.justify-content-between:
.justify-content-between
.justify-content-sm-between:
.justify-content-sm-between
.justify-content-md-between:
.justify-content-md-between
.justify-content-lg-between:
.justify-content-lg-between
.justify-content-xl-between:
.justify-content-xl-between