body {
  color: orange;
  font-family: Verdana;
}

.nav-bar{
  background-color: silver;
  border-radius: 20px;
  border-style: outset;
  border-color: silver;
  display: flex;
  list-style: none;
}

.nav-bar body{
  background-color: transparent;
}

.nav-bar li{
  margin: 5px;
}

.nav-bar a{
  background-color: midnightblue;
  color:white;
  border-style: ridge;
  border-color: darkred;
  padding:5px;
}

.nav-bar a:hover{
  border-style: groove;
  background-color: blue;
}