A cover for a decor light switch or an old fashioned light switch, comprises a hollow frame having a left side, a right side, a top, a bottom, a flat or convex front and an open rear, a first small annular member projecting from the front in an area of the top and having a depth corresponding to a width of the left and right sides, a first cylindrical magnet inside the first small annular member, a second small annular member projecting from the front in an area of the bottom and having a depth corresponding to a width of the left and right side, a second cylindrical magnet inside the second small annular member, each of the magnets positioned so that they are aligned with and able to contact a head of a metal screw on the base plate, the magnets together strong enough to hold the cover. For the old fashioned light switch, the convex front has a central area of sufficient height to receive a switch element of the old-fashioned toggle light switch.