Hi Cindy,
That is actually the default top margin of the grid items (except first item) so those items will not look adjoining on the mobile view.
But since your content are text and you want it to look like in one paragraph, please add this to the Page > CSS area
@media (max-width: 480px) {
.x-block-grid.two-up>li:nth-child(2) {
margin-top: 0!important;
}
}
This will remove those default top margin of the grid items on the mobile view.
But please keep in mind that even if those are empty paragraphs those will still have the default bottom margin, so better add a class man
to those paragraphs so it does not produce any spacing.
e.g.
<p class="man"></p>
Hope it helps,
Cheers!