A gray minimalist theme built for the 'real' SHIELD, as seen on Marvel's Agents of SHIELD.
"For a while there, it all went to hell," Mack says. "It was bad, but now Bobbi and I work for an organization, an outlier, that came out of the wreckage from what Fury left."
On Agents of SHIELD, we were all stunned at the reveal of a second SHIELD operation running in the shadows. A top-secret organization like that deserves a modern dark theme to...well, the next episode hasn't aired yet, so I don't know what kinds of operations the "real" SHIELD runs. Still, their slick kite-shield logo should rest on your Chrome background, even if we don't know what they're up to yet.