Why, in linux, with Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 Google calendar dosen't have the same graphics as in WIN ?

Question

Application Basics
Name Thunderbird
Version 31.3.0
User Agent Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0
Profile Directory
Open Directory
(Local drive)
Application Build ID 20141128200244
Enabled Plugins about:plugins
Build Configuration about:buildconfig
Memory Use about:memory
Crash Reports
Report ID Submitted
Extensions
Name Version Enabled ID
Google Calendar Tab 3.9 true googlecalendartab@momo
ImportExportTools 3.1 true {3ed8cc52-86fc-4613-9026-c1ef969da4c3}
Lightning 3.3.2 true {e2fda1a4-762b-4020-b5ad-a41df1933103}
Messaging Menu and Unity Launcher integration 1.3.1 true [email protected]
Provider for Google Calendar 1.0.3 true {a62ef8ec-5fdc-40c2-873c-223b8a6925cc}
Important Modified Preferences
Name Value
browser.cache.disk.capacity 358400
browser.cache.disk.smart_size_cached_value 358400
browser.cache.disk.smart_size.first_run false
browser.cache.disk.smart_size.use_old_max false
browser.display.foreground_color #000066
extensions.lastAppVersion 31.3.0
mailnews.database.global.datastore.id 5a192271-d148-44be-a4a0-c336bb1306f
mail.openMessageBehavior.version 1
network.cookie.cookieBehavior 3
network.cookie.lifetimePolicy 2
network.cookie.prefsMigrated true
places.database.lastMaintenance 1416850890
places.history.expiration.transient_current_max_pages 104858
plugin.importedState true
print.print_bgcolor false
print.print_bgimages false
print.print_colorspace default
print.print_downloadfonts false
print.print_evenpages true
print.print_in_color true
print.print_margin_bottom 0.5
print.print_margin_left 0.5
print.print_margin_right 0.5
print.print_margin_top 0.5
print.print_oddpages true
print.print_orientation 0
print.print_page_delay 50
print.print_paper_data 0
print.print_paper_height 297.00
print.print_paper_name iso_a4
print.print_paper_size_type 1
print.print_paper_size_unit 1
print.print_paper_width 210.00
print.print_plex_name default
print.print_resolution_name default
print.print_scaling 1.00
print.print_shrink_to_fit true
print.print_to_file false
print.print_unwriteable_margin_bottom 56
print.print_unwriteable_margin_left 25
print.print_unwriteable_margin_right 25
print.print_unwriteable_margin_top 25
Graphics
Adapter Description NVIDIA Corporation -- Quadro 600/PCIe/SSE2
Vendor ID NVIDIA Corporation
Device ID Quadro 600/PCIe/SSE2
Driver Version 4.4.0 NVIDIA 331.113
WebGL Renderer false
GPU Accelerated Windows 0
AzureCanvasBackend cairo
AzureSkiaAccelerated 0
AzureFallbackCanvasBackend none
AzureContentBackend cairo
JavaScript
Incremental GC 1
Accessibility
Activated 0
Prevent Accessibility 0
Library Versions
Expected minimum version Version in use
NSPR 4.10.6 4.10.6
NSS 3.16.2.3 Basic ECC 3.16.2.3 Basic ECC
NSS Util 3.16.2.3 3.16.2.3
NSS SSL 3.16.2.3 Basic ECC 3.16.2.3 Basic ECC
NSS S/MIME 3.16.2.3 Basic ECC 3.16.2.3 Basic ECC

Answer 1

Thunderbird uses operating system specific themes, so it looks like an apple app on a mac, has a menu and integrates with the mac menu system, looks like a linux app on Linux and like a windows app on windows.