/* Discourage selection of displayed content; keep all editing controls usable. */
html, body, body * {
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}
input, textarea, select, [contenteditable]:not([contenteditable="false"]),
[contenteditable]:not([contenteditable="false"]) * {
  -webkit-user-select: text;
  user-select: text;
  -webkit-touch-callout: default;
}