.main_btn:hover { background:#1e90ff; }
.car_btn:hover { background:#dcdcdc; }
.special_btn:hover { background:#ffc0cb; }
.subdir_car_btn:hover { background:#dcdcdc; }
.index_img { 
	width: 100%;
}
h2 {
	font-size: 200%;
	font-weight: normal;
	text-align:center;
}
h3 {
	padding-bottom: .5em;
	border-bottom: 1px solid #ccc;
}
h4 {
	margin-top: 10px;
	margin-bottom: 5px;
}
.box {
	float: left;
}

.boxContainer {
	overflow: hidden;
}

/* clearfix */
.boxContainer:before,
.boxContainer:after {
    content: "";
    display: table;
}
 
.boxContainer:after {
    clear: both;
}