make text not selectable

1... {
2  user-select: none;
3}

1.unselectable {
2    -webkit-touch-callout: none;
3    -webkit-user-select: none;
4    -khtml-user-select: none;
5    -moz-user-select: none;
6    -ms-user-select: none;
7    user-select: none;
8}