/* Set the default font family for the entire page */
body {
  font-family: Arial;
}

/* Style the h1 element with a larger font size */
h1 {
  font-size: 36px;
}

/* Style the first paragraph with a smaller font size */
p:first-of-type {
  font-size: 14px;
}

/* Style the second paragraph with an even smaller font size */
p:nth-of-type(2) {
  font-size: 12px;
}

/* Style the third paragraph with a larger font size */
p:nth-of-type(3) {
  font-size: 20px;
}

/* Style the fourth paragraph with a different font family */
p:last-of-type {
  font-family: Helvetica;
}