*{
	padding: 0;
	margin: 0;
	border: none;
	user-select: none; -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none;
	box-sizing: border-box; -webkit-box-sizing: border-box; -moz-box-sizing: border-box; -ms-box-sizing: border-box;
}