body{
  padding: 0;
  margin: 30px 0 0 0;
  background: url('../img/repeating_ducks_400x200_pale.jpg');
  color: black;
  font-family: 'Domine', serif;
  text-align: center;
}

#prompt {
  box-sizing: border-box;
  width: 80%;
  padding: 30px; 
  border: 10px solid black;
  background: white;
  position: relative;
  border-radius: 20px;
  vertical-align: middle;
  font-size: 5vw;
  margin-bottom: 30px;
}
#prompt:before {
  content: "";
  position: absolute;
  top: -webkit-calc(100% - 8px); /*may require prefix for old browser support*/
  top: calc(100% - 8px); /*i.e. half the height*/
  left: 10%;
  height: 20px;
  width: 20px;
  background: white;
  transform: rotate(45deg);
  border-bottom:inherit;
  border-right:inherit;
  box-shadow:inherit;
}


#container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
#container > * {
  margin: 10px;
}

#duck {
  max-width: 80%;
  margin-top: 20px;
}
#duck > img {
  max-width: 100%;
  height: auto;
  width: auto;
  text-align: center;
}

#footer {
  position: fixed;
  bottom: 0;
  right: 0;
  padding: 5px 12px;
  background: black;
  color: orange;
  font-size: 1.5em;
  font-weight: bold;
  border: 4px solid black;
  border-radius: 5px;
  z-index: 1000;
}
#wtf {
  box-sizing: border-box;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 70%;
  background: orange;
  border-radius: 25px;
  border: 10px solid black;
  padding: 20px;
  display: none;
  text-align: left;
}

a { 
  color: black
}