.img-bg {
  background: url("../images/fgv_02.png") no-repeat center center fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}

.navbar {
  background: rgba(0, 0, 0, 0.20);
  height: 90px;
}