| Tip 241 | Personalize the Mission Control Highlight |
By default your Mac adds a subtle blue border around any window preview you mouse over in Mission Control mode. Changing the color to something brighter, such as yellow, can make for an easier-to-spot effect, which can be especially useful if the screen brightness is set low. To switch the Mission Control highlight color, follow the next instructions, which modify system files. Therefore, this tip affects all users of the computer. Ensure you have an up-to-date Time Machine backup before starting. Additionally, like all tips that involve hacking system files, you might find your changes reverted to the default if you install a major operating system update. The solution is simply to repeat the ...
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