.container {
  margin: 60px auto;
  width: 800px;
  padding: 0px 20px 20px 20px;
}

#question {
  display: block;
}

#generate_animal {
  display: block;
  margin: 0 auto;
  width: 600px;
}

#generate_animal input[type="text"] {
  width: 100px;
  height: 50px;
  font-size: 50px;
  text-align: center;
  padding: 5px;
}

#generate_animal input[type="submit"], button {
  display: block;
  margin: 30px auto 0 auto;
  font-size: 25px;
}

#weight_data {
  display: block;
  width: 190px;
  margin: 10px auto;
}

a {
  text-decoration: none;
}

img {
  display: block;
  margin: 0 auto;
}

h1 {
  font-size: 50px;
  margin-bottom: 20px;
}

.units {
  font-size: 30px;
}

#errors p {
  color: red;
}

h1, h4, h5, #errors p {
  text-align: center;
}

h5 {
  margin: 0 0 10px 0;
}

h5 > a {
  text-decoration: underline;
  font-weight: normal;
  color: #4099FF;
}

h5 > a > img {
  display: inline;
  margin: 0 5px;
}

h5.inspired-by {
  font-weight: normal;
  color: #333;
}

h5.inspired-by > a {
  color: #777;
}