html, body, h1, h2, h3, h4, h5, h6, p, ol, ul, li, pre {
 padding: 0;
 margin: 0;
 font-size: 100%;
 font-weight: normal;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Helvetica Neue", Helvetica, sans-serif;
  margin-left: 20px;
  margin-top: 20px;
  padding: 5px;
}

h1 {
   font-size: 3em;
   color: #000;
}

h2 {
   font-size: 2.5em;
}

h3 {
   font-size: 2em;
}

h4 {
   font-size: 1.5em;
   color: #63f;
}

h5 {
   font-size: 1em;
   font-weight: bold;
}

h6 {
  font-size: 1em;
}

p {
   font-family: "Times New Roman", Times, serif;
   margin-left: 20px;
   margin-top: 20px;
   padding: 5px;
}