body {
  background-color: white;
  font-family: "ff-tisa-web-pro",serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.45;
  color: #333;
  padding: 1em;
}

referencia {
  -webkit-columns: 3 200px;
     -moz-columns: 3 200px;
          columns: 3 200px;
}

p {
  margin-bottom: 1.3em;
}

h1, h2, h3, h4 {
  margin: 1.414em 0 0.5em;
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  margin-top: 0;
  font-size: 3.157em;
}

h2 {font-size: 2.369em;}

h3 {font-size: 1.777em;}

h4 {font-size: 1.333em;}

small, .font_small {font-size: 0.75em;}