body{
  background-color: antiquewhite;
}
@media only screen and (max-width: 600px) {
  #main-doc{
    position: absolute;
    margin: 0;
  }

  #navbar{
    position: fixed;
    top: 0;
    border-right: none;
    height: 50%;
    width: auto;

  }
}



main{
  font-family: "Nunito sans", tahoma;
  font-size: 18px;
  line-height: 30px;
  padding: 10px;
  position: absolute;
  margin-left: 30%;
}

section{
  height: 100%;
  width: 100%;
  position: relative;
  top: 0; 
}

header{
  font-family: "Nanum Gothic", tahoma;
  font-weight: 700;
  font-size: 1.5rem;
  margin: 5%;
  align-items: center;
}

p{
  margin-left: 8%;
}

code {
display: block;
margin-left: 0;
overflow: wrap;
background-color: GhostWhite;
border-radius: 7px;
padding: 12px;
}

a{
  margin: 10%;
}

#navbar{
  height: 100%;
  width: 30%;
  border-right: 3px solid #a3a0a0;
  position: fixed;
  top: 0;
  left: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  align-items: center;
}

nav  ul{
  display: flex;
  flex-wrap: wrap;
  align-content: space-evenly;
  height: 100%;
  padding: 0;
  align-items: center;
}

nav > ul > li{
  border-top: 2px solid #8f8f8f;
  height: 8%;
  margin: 10px;
  width: 100%;
  align-items: center;
 
}

li > a {
  text-decoration: none;
  color: black; 
}