/* Native-app feel: instant taps and press feedback. */
* { -webkit-tap-highlight-color: transparent; }
html { touch-action: manipulation; }

button:not(:disabled):active,
a:active,
[role="button"]:active {
    scale: 0.96;
    opacity: 0.8;
}
[onclick]:not(button):not(a):not(input):not(select):not(textarea):active {
    opacity: 0.85;
}
button:disabled:active { scale: none; }