body {
    background:
      linear-gradient(rgba(0,0,0,0.55), rgba(0,0,0,0.55)),
      url("/foto.jpeg") no-repeat center center fixed;
    background-size: cover;
    min-height: 100vh;
}

.card {
    background-color: rgba(255,255,255,0.95);
    border-radius: 12px;
}

.card {
    transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(0,0,0,.15);
}