This is assuming that you're using Internet Explorer
1) Open Internet Explorer
2) Click tools then click %26quot;Internet Options%26quot; - if you don't see the menu bar then click on the little icon that looks like a small gear and then click %26quot;internet options.%26quot;
3) At the very bottom of the %26quot;Internet Options%26quot; window you'll see a button that says %26quot;colours%26quot; - click it
4) From here you can change colours for a bunch of things
If you're using a different browser then you'll have to do a Google Search