@charset "utf-8";
#tb{
	width:auto;
	height:auto;
	display:grid;
	grid-template-columns:calc(25% - 30px/4) calc(25% - 30px/4) calc(25% - 30px/4) calc(25% - 30px/4);
	row-gap:10px;
	column-gap:10px;
	margin:auto;
	font-size:0px;
	overflow:hidden;
}
@media (max-width:767px){
	#tb{
		grid-template-columns:calc(50% - 10px/2) calc(50% - 10px/2);
	}
}
a.tb_tb{
	display:block;
	overflow:hidden;
	width:auto;
	height:auto;
	text-align: center;
}
.tb_pic{
	width:auto;
	height:auto;
	overflow:hidden;
	margin:auto;
	display:block;
	position:relative;
	border:1px solid #ddd;
	background-color:#fff;
	padding-bottom: 100%;
}

.tb_name{
	display:block;
	overflow:hidden;
	margin:auto;
	width:auto;
	height:auto;
	text-align:center;
	padding:10px;
}