html, body, body * {
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}
img, a {
  -webkit-user-drag: none;
}
input, textarea, select, [contenteditable=""], [contenteditable="true"] {
  -webkit-user-select: text;
  user-select: text;
  -webkit-touch-callout: default;
}
@media print {
  body { display: none !important; }
}