.disable-selection 
    {
        -moz-user-select: none; /* Firefox */
        -ms-user-select: none; /* Internet Explorer */
        -khtml-user-select: none; /* KHTML browsers (e.g. Konqueror) */
        -webkit-user-select: none; /* Chrome, Safari, and Opera */
        -webkit-touch-callout: none; /* Disable Android and iOS callouts*/
    }