.relative{
    position: relative;
}
.justify{
    &--center{
        justify-content: center;
    }
    &--start{
        justify-content: flex-start;
    }
    &--end{
        justify-content: flex-end;
    }
    &--between{
        justify-content: space-between;
    }
    &--around{
        justify-content: space-around;
    }
}
.align{
    &--center{
        align-items: center;
    }
    &--start{
        align-items: flex-start;
    }
    &--end{
        align-items: flex-end;
    }
}
.align-self{
    &--center{
        align-self: center;
    }
    &--start{
        align-self: flex-start;
    }
    &--end{
        align-self: flex-end;
    }
}