[Support request] Different settings on tablet

Hi !

I set my grid to 3 columns and 9 posts. It’s displaying well on desktop and switching to 1 column on mobile which is perfect.

But as I don’t like how it’s displaying on tablet (stretching image too much) I forced it to display on 2 columns on tablet with this CSS :

@media only screen and (max-width: 1024px) and (min-width:767px) {
.wp-show-posts-single {
width: 50%;
}
}

My question is now : is it possible to set number of post to 8 on tablet ? Because with this trick I have a orphan post at the end of the grid.

Thanks for your help,
Samuel