body {
  font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";
  font-size: 2rem;
  font-weight: 400;
  line-height: 1.5;
  color: #212529;
  text-align: left;
}

h1{
 font-size:2.0em;
}

h2{
 font-size: 1.7em;
}

h3{
 font-size: 1.6em;
}


h4{
 font-size: 1.75em;
}

.midden{
  text-align: center;
}

.nav > li > a
 {
  color: black;
  background-color: #93c69d;
   margin:5px;
   border-radius: 10px;
}

.nav > li > a:active 
 {
  color: #fff;
  background-color: #369549;
}

/*a:hover {
  text-decoration: none;
  background-color: #6d6767;*/
}

.nav > li > a:hover {
  text-decoration: underline;
  background-color: #73ac7f;
  
}

.nav > li > a:hover {
  text-decoration: none;
  background-color: #a6e0b2;
  font-style: italic;
}

/* unvisited link */
a:link {
  color: green;
}

/* visited link */
a:visited {
  color: green;
}

/* mouse over link */
a:hover {
  color: red;
}

/* selected link */
a:active {
  color: yellow;
}