.no-select,
.no-select * {
  user-select: none !important; /* Standard */
  -webkit-user-select: none !important; /* Safari/Chrome */
  -moz-user-select: none !important; /* Firefox */
  -ms-user-select: none !important; /* IE/Edge old */
  -webkit-user-drag: none !important; /* stop image drag highlight */
}

.no-select-passive ::selection,
.no-select-passive *::selection,
.no-select-passive ::-moz-selection,
.no-select-passive *::-moz-selection {
  background: transparent !important;
}