* {
  box-sizing: border-box;
}

:first-child {
  margin-top: 0;
}

:last-child {
  margin-bottom: 0;
}

html {
  font-size: 100%;
  margin: 0;
  padding: 0;
}

body {
  color: #343a40;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 1em;
  line-height: 1.6;
  margin: 1em;
  padding: 0;
  max-width: 1500px;
}

a {
  color: #fd7e14;
  text-decoration: none;
}

#content,
#sidebar {
  margin-bottom: 1rem;
  padding: 1rem;
  border: 1px solid #343a40;
  border-radius: 5px;
}

#content h1, #content h2, #content h3, #content h4, #content h5, #content h6 {
  font-family: Georgia, Times, serif;
  font-weight: normal;
  font-style: italic;
  font-size: 2rem;
}

#sidebar article h1, #sidebar article h2, #sidebar article h3, #sidebar article h4, #sidebar article h5, #sidebar article h6 {
  font-size: 1.1rem;
}