This is a simple dark theme for visual studio code
Search for classic-terminal in the extension window. Alternatively download the package from Open VSX Registry and install it with:
Extensions: Install from VSIX..
Launch VS Code Quick Open (Ctrl+P), paste the following command, and press enter.
ext install Claudius.classic-terminal
Or download the vsix package from the Visual Studio Code Marketplace
If you find any flaws please let me know and create an issue