html, body {
    height: 100%;
    width: 100%;
}

.bg {
    background-image: url("images/bg.jpg");
    height: 100%;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.card{
    background-color: white; 
    padding: 20px; 
    box-shadow: 10px 10px 5px #888;
    border-radius: 15px;
    
}