.ac_box {
	position: absolute;
	border: 1px solid #777;
	max-height: 150px;
	max-width: 600px;
	overflow-y: auto;
	overflow-x: visible;
	background-color: #fff;
	padding: 4px;
	padding-right: 24px;
	box-shadow: 0 3px 5px rgba(0, 0, 0, 0.4);
	font-size: 12px;
}

.ac_box span {
	cursor: pointer;
	display: inline-block;
	color: #479;
	width: 99%;
	overflow: hidden;
	box-sizing: border-box;
}

.ac_box span:hover {
	color: #00F;
	text-decoration: underline;
}