body{
  margin:0;
  text-align:center;
  background:#fff;
}
img#tmp{
  height:100%; 
  width:100%;
  object-fit: contain;
  margin:0 auto;
  max-width:1000px;
}
img#tmp2{
  height:100%; 
  width:100%;
  object-fit: contain;
  margin:0 auto;
}
#art-link{
width:200px;
height:100px;
border:#fff 1px solid;
display:block;
position:absolute;
top:100px;
}