* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  body {
    font-family: "Montserrat";
    background-color: #fff;
  }
  body ul li {
    list-style-type: none;
  }
  
  .nav {
    background-color: #fff;
    width: 100%;
    position: fixed;
    z-index: 10;
    clear: both;
  }
  
  ul#menu {
    display: none;
  }
  ul#menu li a {
    width: 100%;
    display: block;
    background-color: #fff;
    color: #516eb5;
    font-size: 1em;
    padding: 1.5em 1.6em;
    transition: background 0.2s;
    text-decoration: none;
  }
  ul#menu a:hover {
    background-color: #516eb5;
    color: #fff;
  }
  
  @media screen and (min-width: 1280px) {
    .hamburger-container {
      display: none;
    }
  
    .nav ul#menu {
      display: inline;
    }
    .nav ul#menu li {
      display: inline-block;
      margin-right: -5px;
    }
  }
  ul.hamburger li {
    height: 5px;
    background: #516eb5;
    content: "";
    position: relative;
    transition: 0.25s ease-in-out;
  }
  
  .hidden {
    opacity: 0;
  }
  
  .rot45deg {
    transform: rotate(45deg);
    top: 10px !important;
  }
  
  .rot-45deg {
    transform: rotate(-45deg);
  }
  
  ul.hamburger {
    display: block;
  }
  ul.hamburger li:nth-child(1) {
    top: 0;
  }
  ul.hamburger li:nth-child(2) {
    top: 5px;
  }
  ul.hamburger li:nth-child(3) {
    top: 10px;
  }
  
  .hamburger-container {
    width: 38px;
    margin: 1.2em 1.6em;
    height: 30px;
    cursor: pointer;
    float: right;
  }