chosen-reset.css

/**
 * This styles are the minimal essential properties
 * to get chosen working without extra styling
 * that you are going to override later
 */
.chosen-container {
	position: relative;
	display: -moz-inline-stack;
	display: inline-block;
	*vertical-align: auto;
	zoom: 1;
	*display: inline;
	vertical-align: middle;
	-webkit-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	-o-user-select: none;
	user-select: none;
}

.chosen-container .chosen-single {
	overflow: hidden;
	display: block;
}

.chosen-container .chosen-drop {
	position: absolute;
	top: 100%;
	left: -9999px;
	width: 100%;
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	-ms-box-sizing: border-box;
	-o-box-sizing: border-box;
	box-sizing: border-box;
}

.chosen-container.chosen-with-drop .chosen-drop {
	left: 0;
}