nav{ justify-content: center;
    display:block;
    margin:auto;
   
   
  align-items: center;
  text-align: center;}
  
.logo_center {
  text-align:center;
  margin:  auto;
  
  display:block;
} 

nav ul {
  /** Remove bullets from ul **/
  list-style: none;
  margin: 0px;
  /** Stretch the menu item horizontally **/
  display:flex;
  /** Aligns the flexible items **/
  justify-content:center;
  
}
/*nav li{padding: 0.5em; bac}*/
nav a {
  /** Remove any decoration from the menu item **/
  text-decoration: none;
  /** The same as inline-block , allowing to set width and height to the items in the menu**/
  display: inline-grid;
  color:rgb(82, 79, 79);
  font-size: 18px;
  font-family: Helvetica, Arial,sans-serif;
   padding: 0.4em ;
  
}


nav a:hover{ 
  text-decoration:underline
} 



footer{
  
  font-size: 0.8em;
  text-align:center;
}  

footer a{
  text-decoration: none underline;
  color:rgb(63, 57, 57);
}

html{height:100%;width:100%}
body{
  width:80%; 
  
  margin:auto;
   font-family: Helvetica, Arial,sans-serif;
  
}


 h2, h3 {
   color:rgb(63, 57, 57); text-align: center ;
}