BODY {
  color: black;
  background: url(../resources/beanstalk-dark.png) white;
}

.container {
  background: black;
  color: white;
  border-radius: 1em;
  padding: 1em;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-right: -50%;
  transform: translate(-50%, -50%); 
  border: 2px solid gray; 
  opacity: 0.7;
}