This is a small example of what you can do with User Interface colours. As you can see, the tooltips are automatically adjusted when you alter your computer settings. Also the colour of the Firefox window and the text change when you change the appearance settings on your computer. Finally the background of the body adjusts to the background colour of your desktop and the border is set to the colour of the active window border.
Right-click, view page source to view the source code of this example.
...are used to navigate to the previous page you've visited and from there back to the next page.
...lets you reload the current page. Sometimes you need to refresh the content of the page to see if anything has changed, as is the case with certain E-mail providers.
...is used to stop a page you have navigated to from loading. This can be useful when the page is too heavy (too many images etc.)
...leads you back to your default homepage. You can set your default homepage in the main section of the options window