html,
body {
  height: 100%;
  background-color: #333;
  background: url('../images/bg.JPG') no-repeat center center fixed; 
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}

.logo-container {
  background-color: rgba(255, 250, 230, 0.8);
  position: absolute;
  width: 100%;
  bottom: 20%;
}