style.css

p:first-of-type {
  font-size: 1.125em;
}

p:first-of-type:first-line {
  font-size: 1.125em;
  font-style:italic;
}

p:first-of-type:first-letter {
  float: left;
  font-size: 3.797em;
  font-style: normal;
  font-weight: bold;
  margin: 0 0.1em 0.1em 0;
}