How to improve the browser setting under Linux?

I thought not so perfect definition of the open pages in the browser, is to change?

Please give source also?

what you mean by "definition"? I guess I do not understand

as the source ..,

I can not help because I need to know which browser USA?

USA BigLinux now try to change the screen resolution to see if help ....

K menu and click run and type: Kcontrol

Now the panel that opens in va Peripherals and in Monitor & Video

and try to increase the size of the screen Arasta the bar below the design of the monitor and then click Apply to confirm that this good and click OK

reply to see if there need help ...

As the source already tidy, and I have made in the "maximum" (fine), the video settings, but it seems (not here), so clear, as the image of Firefox on Windows. I appreciate the help now!