body {
    font-family: Arial, Helvetica, sans-serif;
    text-align: center;
}

hr {
    width: 500px;
}

#title {
    font-size: 36px;
    font-weight: bold;
    letter-spacing: 2px;
}

#catch_phrase{
  font-size: 24px;
  font-weight: normal;
  letter-spacing: 2px;
}

#image_dog{
  display: flex;
  flex-wrap: wrap;
  height: 300px;
  width: 300px;
  justify-content: center;
  align-content: center;
  margin: 0 auto;
}