CSSstyle> body -webkit-touch-callout: none; -webkit-user-select: none; -khtml-user-select: none;
<style> body { -webkit-touch-callout: none; -webkit-user-select: none; -khtml-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none; } </style>