body {
font-family: 'Ubuntu', sans-serif;
        background-color: #FFFABD;
   
   }
.body {
font-family: 'Ubuntu', sans-serif;
      margin-left: 30%;
      margin-right: 30%;
      background-color: #FFFABD;
 
 }
 div.a {
     color:rgb(54, 107, 74); 
     font-size:20px;
     text-align: center;
     font-weight: bold;
  
  }
  
  div.b{
     color: blue; 
     font-size:20px;
     text-align: center;
     font-weight: bold;
  
  }
  
  div.d{
   color: blue; 
   font-weight: bold; 
   font-size: 20px;
 }

 .left {
    float: left;
    margin: 0 25px 25px 0;
 }
 
 .right {
 
    float: right;
    margin: 0 20px 20px 0;
 }
 
  ul.c {
     margin-left: 35%;
     margin-right: 35;
  }
 
  p {
    font-size: 15px;
 
  }
 
  a {
    font-size:medium;
    color: black;
  }
  
  nav {
    font-weight: bold;
    text-align: center;
 
  }
  
  sup {

   font-weight: bold;
  }