header{
        text-align: center;
        border: 5px solid mediumpurple;
        color: purple;
        padding:10px;
        margin: 10px;
        margin-left:0;
        margin-right:0;
        
      }
      
      footer {
        text-indent:30px;
        border: 5px solid mediumpurple;
        padding: 10px;
        margin: 10px;
        clear: left;
      }
      
      body {
        background-image:url(creamparchment.jpg);
        background-position:fixed;
        background-repeat: repeat-y;
        background-size:100%;
      }
      
      h1, h2, h3, h4, h5 {
        text-align:center;
      }
      
      p{
        text-indent: 30px;
      }
      
      .navbar{
        padding: 10px;
        width: 22%;
        border: 5px solid mediumpurple;
        float: left;
        position:sticky;
        top: 0;
        
      }
      
      .navbar ul {
        list-style-type: none;
        
      }
      
      .navbar li a {
        display: block;
      }
      
      .main{
        text-indent:50px;
        border: 5px solid mediumpurple;
        padding: 30px;
        width:45%;
        float:left;
        margin-left:5px;
        margin-right:5px;
        margin-bottom:5px;
      }
      
      .aside{
        float:left;
        padding: 10px;
        width: 22%;
        border: 5px solid mediumpurple;
        margin-bottom:5px;
        
      }
      
      .center{
        display:block;
        margin-left:auto;
        margin-right:auto;
        width:50%;
      }