PPT template of graduation thesis defense in blue elegant envelope style

This is a set of blue elegant envelope style, graduation thesis defense PPT template, a total of 22;

The cover of the slide template consists of a blue gradient with each other and a gray gradient basemap to build an envelope-style group. In the middle of the envelope stamp position, place the graduation college logo. Fill in the PPT title of the graduation thesis defense below. The interface design is exquisite and elegant, with high versatility.