html unselectable code example

Example 1: html text not markable

.unselectable {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

Example 2: unselectable css property

.button {
    user-select: none;
}