body {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
#navbar {
  position: fixed;
  min-width: 290px;
  top: 0px;
  left: 0px;
  width: 300px;
  height: 100%;
  border-right: solid;
  border-color: rgba(0, 22, 22, 0.4);
}
#navbar ul {
  height: 88%;
  padding: 0;
  overflow-y: auto;
  overflow-x: hidden;
}
#navbar li {
  color: #4d4e53;
  border-top: 1px solid;
  list-style: none;
  position: relative;
  width: 100%;
  padding: 15px 0 15px 15px;
}
.nav-link {
  text-decoration: none;
  color: #4d4e53;
  font-size: 1.3rem;
}
#main-doc {
  position: absolute;
  margin-left: 310px;
  padding: 20px;
  margin-bottom: 110px;
}
.main-section {
  margin-bottom: 2rem;
}
header {
  font-size: 2rem;
  margin: 10px;
  text-align: center;
}
#main-doc header {
  text-align: left;
}
section article {
  color: #4d4e53;
  margin: 15px;
  font-size: 0.96em;
}
p {
  margin-left: 15px;
  width: 80%;
  font-size: 1rem;
  line-height: 1.5rem;
}
ul li {
  width: 80%;
  margin-bottom: 1rem;
}

code {
  width: 30%;
  display: block;
  text-align: left;
  white-space: pre-line;
  position: relative;
  word-break: normal;
  word-wrap: normal;
  line-height: 2;
  background-color: #f7f7f7;
  padding: 15px;
  margin: 10px;
  border-radius: 5px;
  font-size: 0.8rem;
}