Select the slides you want to have a particular theme, then instead of left clicking the theme icon, right click it and go to Apply to Selected Slides. That should do it.
On the top bar go to format >background. And then just choose what you want. This is for one slide only, with themes it chooses the theme for the whole power point.
Select the slides you want to have a particular theme, then instead of left clicking the theme icon, right click it and go to Apply to Selected Slides. That should do it.
On the top bar go to format >background. And then just choose what you want. This is for one slide only, with themes it chooses the theme for the whole power point.