.nav {
  padding: 1rem;
  z-index: 2;
  position: fixed;
  height: 3rem;
  background-color: white;
  top: 0;
  left: 0;
  right: 0;
  ul {
    margin: 0;
    display: flex;
    li {
      margin-left: 10px;
    }
  }
}