Coronavirus – Animation Icons
文件下载,https://downloads.cgguy.com/d/vianetsp/Preview/04zipfiles/2022/05/18/CGguy202205180923.zip
Free 
Overlay Glassy Glassmorphic PowerPoint Template
https://elements.envato.com/overlay-glassy-glassmorphic-powerpoint-template-JE5VCV3
Free 