... Keyword0,0%,0% 0,0,0 #000000 Black360,0%,0% 255 , 255 , 255 #FFFFFF White0,100% ,50 % 255 ,0,0 #FF0000 Red120,100%, 25% 0,128,0 #008000 Green240,100% ,50 % 0,0, 255 #0000FF BlueColor and Opacity127NOTEEven ... an rgba value to the background-color of another, both with the same value:.opacity { opacity: 0 .5; } .rgba { background-color: rgba( 255 , 255 , 255 ,0 .5) ; }You can see the results in Figure ... set the value to 95px (half the width of the box).In the next example (Y), I again set the limit of the radius to the farthest side of the box, but this time, I set the center point as the...