[visual-studio-code] How to change environment's font size?

According to the changelog of version 1.2, new commands were added to zoom in and out only the font but the entire UI.

Changelog: https://code.visualstudio.com/updates/v1_24#_font-zoom-commands

Use the following keybindings to replace the default global zoom actions:

on macOS:

{ "key": "cmd+numpad_add",      "command": "editor.action.fontZoomIn" },
{ "key": "shift+cmd+=",         "command": "editor.action.fontZoomIn" },
{ "key": "cmd+=",               "command": "editor.action.fontZoomIn" },
{ "key": "cmd+numpad_subtract", "command": "editor.action.fontZoomOut" },
{ "key": "shift+cmd+-",         "command": "editor.action.fontZoomOut" },
{ "key": "cmd+-",               "command": "editor.action.fontZoomOut" },
{ "key": "cmd+numpad0",         "command": "editor.action.fontZoomReset" },
{ "key": "cmd+0",               "command": "editor.action.fontZoomReset" },

on Windows and Linux:

{ "key": "ctrl+numpad_add",      "command": "editor.action.fontZoomIn" },
{ "key": "shift+ctrl+=",         "command": "editor.action.fontZoomIn" },
{ "key": "ctrl+=",               "command": "editor.action.fontZoomIn" },
{ "key": "ctrl+numpad_subtract", "command": "editor.action.fontZoomOut" },
{ "key": "shift+ctrl+-",         "command": "editor.action.fontZoomOut" },
{ "key": "ctrl+-",               "command": "editor.action.fontZoomOut" },
{ "key": "ctrl+numpad0",         "command": "editor.action.fontZoomReset" },
{ "key": "ctrl+0",               "command": "editor.action.fontZoomReset" },