change the colour of this?

[Shaybloom]

https://vborg.vbsupport.ru/external/2013/06/50.png

its white I want it dark grey what should I edit?

Also,
I want to change the colour of the background colour bescides the LOGO on the top,how do i change the colour?


Thanks

[Amaury]

<i>toolsmenu_background</i>