Use the .align-content-*-start classes to align gathered items from the start on different screens.
.align-content-start:
.align-content-start
.align-content-sm-start:
.align-content-sm-start
.align-content-md-start:
.align-content-md-start
.align-content-lg-start:
.align-content-lg-start
.align-content-xl-start:
.align-content-xl-start
.align-content-xxl-start:
.align-content-xxl-start