html,
body {
  margin: 20px;
  padding: 0;
  font-family: Karla;
}

#box {
  padding: 10px;
  display: block;
  text-align: center;
  margin: 20px;
  padding: 20px;
  background: #ecf2ff;
  font-size: 30px;
}

#emoji-container {
  font-size: 50px;
}

#box:focus {
  background: #cfdfff;
}

#help-text {
  display: none;
  text-align: center;
}

#box:focus #help-text {
  display: block;
}

#text {
  font-size: larger;
}

#text > small {
  font-size: large;
}