body, html {
  height: 100%;
}
body {
  color: #ddd;
  font-size: 1.2rem;
}
.bg { 
  background-image: url("pumpkin-bg.jpg");
  height: 100%; 
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}
.bg .jumbotron {
  background-color: rgba(40, 40, 40, .5);
}
.bg::before {
}
footer {
  opacity: 0.5;
  position: absolute;
  bottom: 0;
  width: 100%;
  text-align: right;
  font-size: .875rem
}
.vertical-center {
  min-height: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
}