.-connection_mdl {
  position: fixed;
  top: 35%;
  left: 50%;
  width: 400px;
  line-height: 300px;
  height: 400px;
  margin-left: -150px;
  margin-top: -100px;
  background-color: #ffffff;
  text-align: center;
  border-radius: 5px;
  z-index: 999; 
  box-shadow: 0 0 0 9999px rgba(0,0,0,0.5);  
}
.-connection_mdl > img {
  width: 300px;
}
.-connection_overlay{
  position: fixed;  
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0,0,0,0.5);
  z-index: 999;
  cursor: pointer;
  display: none;
}