#loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.8); /* transparent background */
  z-index: 9999;
  display: none; /* hidden by default */
  justify-content: center;
  align-items: center;
}

.loader-content {
  text-align: center;
  transform: translate(0%, 500%);
}
.page-center {
  height: 85vh;          /* full screen height */
  display: flex;
  justify-content: center;
  align-items: center;
}

.small-card {
  width: 450px;           /* adjust as needed */
  max-width: 90%;
}