body {
  margin: 20px;
}
#create {
  width: 50vw;
  max-width: 600px;
}
#card_image {
  margin: 25px;
  width: 40vw;
}
#card_container {
  border: 2px solid black;
  width: 60vw;
  min-height: 50vh;
  margin-top: 5px;
  padding: 7px;
  font-weight: bold;
  font-size: 120%;
  color: #fff;
  text-shadow: 1px 0 0 #000, 0 -1px 0 #000, 0 1px 0 #000, -1px 0 0 #000;
}
footer {
  margin: 15px 0 15px 0;
}
button {
  display: block;
}

/* Larger than mobile screen */
@media (min-width: 40.0rem) {
  #card_container {
    width: 30vw;
    min-height: 80vh;
    font-size: 2vw;
  }
  #card_image {
    margin: 25px;
    width: 20vw;
  }
  button {
    display: inline;
  }
}