.navbar{
   overflow:hidden;
   background-color:#04AA6D;
   position:fixed;
   top:0;
   width:100%;
}

.navbar a {
   float:left;
   display:block;
   color:#f2f2f2;
   text-align:center;
   padding:14px 16px;
   text-decoration:none;
}

.navbar a:hover{
  background:#ddd;
  color:black;
}

.main {
  margin-top:30px;
  margin-bottom:10px;
}

body{
   margin:0;
}