.overlay{
    margin: 20px 40px 0px 40px ;
    padding: 40px;
}
body{
    background-image: url("X-ray-2.jpg");
    background-size: cover;
    color: white;
}
.background2{
    background-color: rgba(79, 69, 69, 0.7);
}
.jumbotron{
    background-image: url(X-ray.jpg) ; 
    background-size: cover;
    color: white;
    background-position: center;
}
.img-circle{
    width: 200px;
    height: 200px;
}
.photo{
    width: 10000px;
    height: px;
}
.background{
    
}