A set of blue and green gray simple and concise PPT background images
File Size: 618.40KB Download times: 1454This is a set of blue and green concise PPT background pictures, homePPT template network provides slideshow background pictures for free download;
PPT background picture is very simple, simple, simple, gradient background above the design of a variety of different elements: transparent bubbles, feathers, halo, lines, color blocks, mechanisms, stars, etc. ...