Great Britain Flag - modified от wcyat

Major adjustments:
Changed tab text colour to white.
Removed toolbar top & bottom separator.

Version 1.6.3
Fixed a bug that the text in customization page can't be seen.
However, bookmark text is forced to change to black.

Version 2.0
Changed toolbar colour so bookmark text & icons can be clearly seen.
Edited the background image so tab text near the right-hand-side edge can be seen.
Making it simpler.