Dark color icon background speech bubble creative thesis defense general ppt template

Introduction: The gray icons are all over the full-screen background, the speech bubble creative title text box, various icons are spelled into the transition page of the person's profile picture, the simple and flat cartoon style design, suitable for the general ppt template for thesis defense and graduation defense of fresh students.

Introduction: The gray icons are all over the full-screen background, the speech bubble creative title text box, various icons are spelled into the transition page of the person's profile picture, the simple and flat cartoon style design, suitable for the general ppt template for thesis defense and graduation defense of fresh students.