@charset "utf-8";
.tu{
width:100%;
height:200px;
border: 1px solid #ddd;
border-radius: 4px; 
display: table-cell; 
background-color: #fff;
display: flex;
justify-content: center;
align-items: center; }
.tu img {
max-width: 100%;
max-height: 190px;
}

@media screen and (max-width: 768px) {
.tu{
	width: 100%;
	height: 140px;
}
.tu img {
	max-width: 100%;
	height: 120px;
}
}