.bar {
    z-index: 100;
  }
  
  .menu {
    display: flex;
    justify-content: center;
    z-index: 100;
  }
  
  .menu > li {
    list-style: none;
    padding: 10px 10px;
    text-decoration: none;
    z-index: 100;
    border-radius: 10px;
    /* background-color: rgb(31, 49, 128); */
  }
  
  .menu li a {
    display: inline-block;
    padding: 15px 15px;
    text-decoration: none;
    color: white;
    z-index: 100;
    font-family: "Roboto", sans-serif;
    font-optical-sizing: auto;
    font-weight: bold;
    transition: transform 0.3s ease, text-shadow 0.3s ease;
  }
  
  .menu li a:hover {
    text-shadow: 0px 0px 5px white,
      0px 0px 20px rgb(25, 0, 255);
    transform: translateY(-5px);
  }