html {
    background-image: url('https://www.beautybulletin.com/media/reviews/photos/original/f8/ef/6a/5108_chi-1331107535.jpg');
    background-attachment: fixed 100% 100%;
    background-repeat: no-repeat;
    background-position: center;
}

html,
body {
    min-width: 290px;
    font-family: serif;
    line-height: 1.5;
    max-height: 1000px;
}

#navbar {
    min-width: 290px;
    position: fixed;
    border-right: solid;
    top: 0px;
    left; 0px;
    width: 300px;
    height: 100%;
    border-color: crimson;
}

header {
    color: black;
    margin: 15px;
    text-align: center;
    font-size: 24px;
    font-weight: thin;
}

#main-doc {
    position: absolute;
  margin-left: 310px;
  padding: 20px;
  margin-bottom: 110px;
}

#main-doc header {
    text-align: left;
    margin: 0px;
}

#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%;
}

#navbar a {
    display: block;
  padding: 10px 30px;
  color: #4d4e53;
  text-decoration: none;
  cursor: pointer;
}

section article {
    color: #4d4e53;
  margin: 15px;
  font-size: 0.96em
}

section li {
    margin: 15px 0px 0px 20px;
}

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

@media only screen and (max-width: 815px) {
  /* For mobile phones: */
  #navbar ul {
    border: 1px solid;
    height: 207px;
  }
    #navbar {
    background-color: white;
    position: absolute;
    top: 0;
    padding: 0;
    margin: 0;
    width: 100%;
    max-height: 275px;
    border: none;
    z-index: 1;
    border-bottom: 2px solid;
  }

  #main-doc {
    position: relative;
    margin-left: 0px;
    margin-top: 270px;
  }
}

@media only screen and (max-width: 400px) {
  #main-doc {
    margin-left: -10px;
  }

  code {
    margin-left: -20px;
    width: 100%;
    padding: 15px;
    padding-left: 10px;
    padding-right: 45px;
    min-width: 233px;
  }
}