body, html {
  height: 100%;
  font-family: Helvetica, Arial, sans-serif;
}

.bg-image {
  background-image: url('../images/img-envelope.png');
  background-color: rgba(85, 180, 212, 1);
  background-position: center;
  background-blend-mode: screen;
  background-repeat: no-repeat;
  background-size: cover;
}

.bg-image0 {
  background-image: url('../images/img-2gears.png');
  background-color: rgba(85, 180, 212, .5);
  background-position: center;
  background-blend-mode: screen;
  background-repeat: no-repeat;
  background-size: cover;
}

.txtshadow {
  text-shadow: 1px 1px 0 #444;
}

.gradient-bl {
    background: linear-gradient(to bottom left, #0099cc 0%, #ccffff 80%);
}

.gradient-tr {
    background: linear-gradient(to top right, #0099cc 0%, #ccffff 80%);
}