Test your Response time!
Click on "Start" first, and wait until the background color changes. As soon as it changes, click "Stop!"
There will be time to move your cursor over the "Stop" Button.
Change background color in:
blue
aliceblue
crimson
darkkhaki
cadetblue
darkorchid
coral
chocolate
mediumslateblue
tomato
darkslategray
limegreen
cornflowerblue
darkolivegreen
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