p {
  margin-top: 20px;
  margin-right: 15px;
  margin-bottom: 20px;
  margin-left: 15px;

  padding-top: 10px;
  padding-right: 10px;
  padding-bottom: 10px;
  padding-left: 10px;
}

body {
  line-height: 1.6;
}

h1, h2, h3 {
  line-height: 1.3;
}