.gpioGND { background-image: image(lightBlue);}
.gpio3v3 { background-image: image(maroon); }
.gpio5v  { background-image: image(red);}
.gpioDNU { background-image: image(gray);}
.gpioPinNotInitialized {
    font-weight: bold; background-image: image(greenYellow);}

.statusbarMessage { color: black; background-color: lime; }
.statusbarWarning { color: black; background-color: orange; }
.statusbarError   { color: black; background-color: red; }