html {
  background-color: #f5f5f5;
}

div#mdnotes {
  font-family: sans-serif;
  padding-top: 1rem;
  padding-left: 3rem;
  padding-right: 3rem;
  padding-bottom: 1rem;
  background-color: #ffffff;
}

div#mdnotes div.h1 {
  font-size: 2rem;
  font-weight: bold;
  margin-top: 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid #666666;
}

div#mdnotes div.h2 {
  font-size: 1.5rem;
  font-weight: bold;
  margin-top: 0.5rem;
  margin-bottom: 1rem;
}

div#mdnotes div.h3 {
  font-size: 1rem;
  font-weight: bold;
  margin-top: 0.3rem;
  margin-bottom: 0.5rem;
}

div#mdnotes div.h4 {
  font-style: italic;
  margin-bottom: 0.3rem;
}