CSS rule to disable text selection highlighting

.noselect { -webkit-touch-callout: none; /* iOS Safari */ -webkit-user-select: none; /* Chrome/Safari/Opera */ -khtml-user-select: none; /* Konqueror */ -moz-user-select: none; /* Firefox */ -ms-user-select: none; /* IE/Edge */ user-select: none; /* non-prefixed version, currently not supported by any browser */}