body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: white;
    font-family: Arial;
}

 .carousel-item {
  height: 500px; /* o qualsiasi altezza desideri */
}

.carousel-item img {
  height: 100%;
  width: 100%;
  object-fit: cover;
  object-position: center;
}

#page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(255,255,255,0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

#page-loader.d-none {
  display: none;
}

.loader {
    border: 8px solid #f3f3f3;
    border-top: 8px solid #3498db;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Overlay full-screen */
#overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 6rem;
    z-index: 9999;
}
#overlay.green { background-color: #28a745; }
#overlay.red   { background-color: #dc3545; }