Elegant blue background with slideshow background image

This is two simple and simple style PPT border material. HomePPT template network for free download;
Slideshow with pale blue as background color, with rectangular three-dimensional graphics as background image. Suitable for the production of children's cartoon slide courseware;

This is two simple and simple style PPT border material. HomePPT template network for free download;
Slideshow with pale blue as background color, with rectangular three-dimensional graphics as background image. Suitable for the production of children's cartoon slide courseware;