.clearfix:after {
	content: " ";
	visibility: hidden;
	display: block;
	height: 0;
	clear: both;
}
.hidden {
	display: none;
}
.trn {
	-webkit-transition: all 0.23s ease-out;
	-moz-transition: all 0.23s ease-out;
	-o-transition: all 0.23s ease-out;
	transition: all 0.23s ease-out;
}