nav {
  width: 80%;
  height: 70px;
  background-color: dimgray;
  padding-top: 5px;
  box-sizing: border-box;
}
ul {
  display: flex;
}
li {
  list-style: none;
  font-size: 20px;
}
a {
  display: inline-block;
  text-decoration: none;
  color: white;
  margin-right: 50px;
  margin-left: 50px;
}