This is not a theme by itself. It can work with any other theme
Preview
Direct Install
From microsoft vscode marketplace, search for "Frosted Glass Theme", install
Open command panel, type in "Frosted Glass Theme: Enable", press enter
You can change menu background color in vscode settings, every time you change something in settings, please execute "Frosted Glass Theme: Apply Configuration" to apply change
Every time vscode updates, you have to re-enable
For Linux and perhaps MacOS user
You need to set window.titleBarStyle to custom to see the effect. Otherwise the effect is very limited.
Uninstall
Open command panel, type in "Frosted Glass Theme: Disable", press enter
Uninstall from the extension panel as usual
Known issues
If the animation is flickering, try turn it off by setting frosted-glass-theme.animation to none