?

*, *:after, *:before {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  -webkit-touch-callout: none;
  -webkit-user-drag: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  -ms-touch-action: none;
  -moz-user-select: -moz-none;
}

?