body {
  background:
    linear-gradient(rgba(5, 5, 5, 0.55), rgba(5, 5, 5, 0.82)),
    url("images/volunteer.jpg") center/cover fixed;
}

.page-hero {
  background: linear-gradient(135deg, #8cff00, #ff2fb3);
  color: white;
}

.card {
  background: rgba(255, 255, 255, 0.12);
}

.card h3 {
  color: #8cff00;
}