#menu a, #menu a:visited {
  text-decoration:none;
  text-align:center;
  background-color:#1a5326; 
  color:#fff;
  display:block; 
  width:70px; 
  padding:0.2em;
  margin:0.5em auto;
  border-right:5px solid #fff;
  }
#menu a:hover {
  border-right:5px solid #59d982;
  }