.body{
    margin: 0;
    padding: 0;
}
.work{
    
    background-image: url("../img/man-in-blue-clothing-feeding-an-old-man-3996723.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0.7;
    height: 500px;
    margin-top: 4rem;
}