div.view-parent-top div.img {
/* width: 250px; */
height: 250px;
background-repeat: no-repeat;
background-position: center;
background-size: contain;
}
/* or */
div.view-parent-top {
display: table-cell;
width: 250px;
height: 250px;
vertical-align: middle;
}
div.view-parent-top img {
display: block;
margin: auto;
max-width: 100%;
max-height: 100%;
}