body{
    margin: 0;
    padding: 0;
    background-color:  #ffffff;
    line-height: 1.5;
}


.main{
    display: flex;
    height: 100vh;
}

.sidebar{
    background-color: #fff;
    border-right:2px solid rgba(0, 22, 22, 0.4);
    height: 100%;
    position: fixed;
    min-width: 290px;
    top: 0px;
    left: 0px;
    width: 300px;
    overflow: auto;
    
    
}

.side-content{
    position: absolute;
    margin-left: 310px;
    padding: 20px;
    margin-bottom: 110px;
    }

.nav-item{
    text-decoration: none;
    color: #4d4e53;
    display: block;
    font-size: 20px;
    padding: 10px 30px;
    cursor: pointer;
    
}

h2{
    display: flex;
    justify-content: center;
    padding: 1rem 0;
    font-size: 30px;
    margin: 10px;

}

.sidebar ul{
    height: 88%;
    padding: 0;
    overflow-y: auto;
    overflow-x: hidden;
 
}

.sidebar li{
    color: #4d4e53;
    border-top: 1px solid;
    list-style: none;
    position: relative;
    width: 100%;
}

.side-content h2{
    text-align: left;
    margin: 0px;
}

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

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

pre{
    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;
}

.hscroll {
    overflow-x: auto;
  }
  
  table {
    caption-side: bottom;
    border-collapse: collapse;
  }
  
   @media only screen and (max-width: 815px) {
    /* For mobile phones: */
    .sidebar ul {
      border: 1px solid;
      height: 207px;
    }
  
    .sidebar {
      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;
    }
  
    .side-content{
      position: relative;
      margin-left: 0px;
      margin-top: 270px;
    }
  }
  
  @media only screen and (max-width: 400px) {
    .side-content {
      margin-left: -10px;
    }
  }