html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  background-color: #0d1b2a !important;
  background-image: linear-gradient(rgba(10, 15, 25, 0.85), rgba(10, 15, 25, 0.85)), url('https://defentrasystems.com/assets/lock-system-bg.png') !important;
  background-position: center center !important;
  background-repeat: no-repeat !important;
  background-attachment: fixed !important;
  background-size: cover !important;
  color: #ffffff !important;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.lead {
  text-align: justify;
}