body {
  width: 75em; 
  margin: auto;	
  background: white;
  font-size: 15px;
  color: green;
  padding: 0px;
  font-family: sans-serif;
}

/* ------------------------------------------------------------- */
/* Header */
/* ------------------------------------------------------------- */

h1 {
  padding: 20px;	
  margin-bottom: 0px;
  border-bottom: 2px solid black;	
}


/* ------------------------------------------------------------- */
/* Introduction */
/* ------------------------------------------------------------- */

.introduction {
  margin: auto;
  /* padding: 20px; */		
  margin-bottom: 0px;	
  border-bottom: 2px solid black;	
}

.contact  {
  margin: auto;	
  line-height: 30px;
}


/* ------------------------------------------------------------- */
/* Navigation */
/* ------------------------------------------------------------- */

nav { 
    border-bottom: 2px solid black; /* #9e0a00; */ 
    margin-bottom: 2.5em; }

nav ul {
    padding-left: 3em;
    padding-right: 3em;
    list-style-type: none;
    display: flex;
    justify-content: space-around; }

nav a {
    font-family: sans-serif;
    font-weight: normal;
    /* text-transform: uppercase; */
    font-size: 1.3em;  
    padding-bottom: 0.85em;
    padding-top: 0.85em;
    padding-right: 1.3em;
    padding-left: 1.3em;
    text-decoration: none; }

nav a:hover {
    color: white; /* #f4ebeb; */
    background-color: green; /* #9e0a00; */ }


li {
  margin: 8px 0px;
}


h4 {
  font-size: 28px;
  color: black;
  margin-bottom: 0px;
}

h3 {
  font-size: 20px;
  margin-bottom: 20px;
}

a {
  color: green;
  font-weight: bold;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.block {

}