img {
auto;
height: auto;
max- 100%;
max-height: 100%;
display: block;
vertical-align: middle;
position: absolute;
left: 0;
top: 0;
right: 0;
bottom: 0;
margin: auto;
}
img {
auto;
height: auto;
max- 100%;
max-height: 100%;
display: block;
vertical-align: middle;
position: absolute;
left: 0;
top: 0;
right: 0;
bottom: 0;
margin: auto;
}