@charset "utf-8";
#tb{
	display:grid;
	grid-template-columns:auto;
	row-gap:20px;
	width:auto;
	height:auto;
	overflow:hidden;
}
.tb_tb{
	display:block;
	width:auto;
	height:auto;
	overflow:hidden;
	background-color:#fff;
	padding:20px;
	border:1px solid #ddd;
}
.tb_tb:hover{
	box-shadow:0px 0px 10px 0px rgba(0,0,0,0.3);
}
a.tb_name{
	display:block;
	width:auto;
	height:auto;
	overflow:hidden;
	margin:auto;
	vertical-align:top;
	font-size:18px;
	color:#900;
}
.tb_date{
	display:block;
	width:auto;
	height:auto;
	overflow:hidden;
	margin:auto;
	color:#999;
	padding-top:10px;
	padding-bottom:10px;
	font-size:12px;
}
.tb_miaoshu{
	display:block;
	width:auto;
	height:auto;
	overflow:hidden;
	margin:auto;
	color:#999;
	font-size:12px;
}