@charset "utf-8";
#tb{
	margin:auto;
	display:grid;
	grid-template-columns:calc(25% - (30px/4)) calc(25% - (30px/4)) calc(25% - (30px/4)) calc(25% - (30px/4));
	column-gap:10px;
	row-gap:10px;
	width:auto;
	height:auto;
	padding:10px;
}
.tb_item{
	display:block;
	width:auto;
	height:auto;
	overflow:hidden;
}
a.tb_tb{
	display:block;
	overflow:hidden;
	margin:auto;
	width:auto;
	height:auto;
	margin:auto;
	display:block;
}
.tb_pic{
	display:flex;
	display:-webkit-flex;
	justify-content:center;
	align-items:center;
	overflow:hidden;
	margin:auto;
	width:auto;
	height:auto;
	border:1px solid #ddd;
	box-sizing:border-box;
	position:relative;
	padding-bottom:100%;
}
.tb_name{
	width:auto;
	height:auto;
	overflow:hidden;
	margin:auto;
	display:block;
	text-align:center;
}