Codecademy - Practising CSS (Example 1 - CSS Code)

h3 {
  text-align: center;
}

.tips {
  border-radius: 5px;
  border: 3px solid black;
  padding: 5%;
  width: 80%;
  margin: 5% auto;
  text-align: justify;
}

#one {
  background-color: rgb(239, 217, 202);
  font-family: "Palatino";
    font-size: 18px;
}

#two {
  background-color: rgb(253, 77, 63);
  font-family: "Verdana";
  font-style: italic;
  line-height: 20px;
}

#three {
  background-color: rgb(109, 240, 194);
  font-family: "Courier";
  font-weight: bold;
  font-size: 16px;
}

#four {
  background-color: rgb(255, 199, 64);
  font-family: "Arial";
  font-variant: small-caps;
    text-decoration: underline;
}