This only works on a 16:9 resolution, 4:3 will be available upon request.
How to install:
1) Download the 3 files in the drive.
2) Go to your Program Files (x86)\Steam\steamapps\common\Counter-Strike Global Offensive\csgo\panorama\videos
3) Drag and drop the 3 files. These will replace "Nuke".
How to get it in CS:GO:
1) Load up CS:GO
2) At the home screen, click the toolbar on the bottom right. (under your character)
3) Select the map "Nuke".
4) Enjoy and share!