body{font-family:Arial,sans-serif}
.hero{
height:70vh;
display:flex;
align-items:center;
justify-content:center;
background:linear-gradient(rgba(0,0,0,.5),rgba(0,0,0,.5)),url('/css/pics-1.png');
background-size:cover;
background-position:center;
}
.card{box-shadow:0 2px 10px rgba(0,0,0,.1)}