<nav>
  <ul class="menu">
    <li class="logo"><a href="#">Invisible App</a></li>
    <li class="item"><a href="#">Home</a></li>
    <li class="item"><a href="#">About</a></li>
    <li class="item"><a href="#">Services</a></li>
    <li class="item"><a href="#">Features</a></li>
    <li class="item"><a href="#">Blog</a></li>
    <li class="item"><a href="#">Contact</a>
    </li>
    <li class="item button"><a href="#">Log In</a></li>
    <li class="item button secondary"><a href="#">Sign Up</a></li>
    <li class="toggle"><a href="#"><i class="fas fa-bars"></i></a></li>
  </ul>
</nav>

/* Basic styling */
* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}
body {
  font-family: sans-serif;
  background: #f1f1f1;
}
nav {
  background: #222;
  padding: 5px 20px;
}
ul {
  list-style-type: none;
}
a {
  color: white;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
.logo a:hover {
  text-decoration: none;
}
.menu li {
  font-size: 16px;
  padding: 15px 5px;
  white-space: nowrap;
}
.logo a,
.toggle a {
  font-size: 20px;
}
.button.secondary {
  border-bottom: 1px #444 solid;
}
/* Mobile menu */
.menu {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
}
.toggle {
  order: 1;
}
.item.button {
  order: 2;
}
.item {
  width: 100%;
  text-align: center;
  order: 3;
  display: none;
}
.item.active {
  display: block;
}
/* Tablet menu */
@media all and (min-width: 600px) {
  .menu {
    justify-content: center;
  }
  .logo {
    flex: 1;
  }
  .toggle {
    flex: 1;
    text-align: right;
  }
  .item.button {
    width: auto;
    order: 1;
    display: block;
  }
  .toggle {
    order: 2;
  }
  .button.secondary {
    border: 0;
  }
  .button a {
    padding: 7.5px 15px;
    background: teal;
    border: 1px #006d6d solid;
  }
  .button.secondary a {
    background: transparent;
  }
  .button a:hover {
    text-decoration: none;
  }
  .button:not(.secondary) a:hover {
    background: #006d6d;
    border-color: #005959;
  }
  .button.secondary a:hover {
    color: #ddd;
  }
}
/* Desktop menu */
@media all and (min-width: 900px) {
  .item {
    display: block;
    width: auto;
  }
  .toggle {
    display: none;
  }
  .logo {
    order: 0;
  }
  .item {
    order: 1;
  }
  .button {
    order: 2;
  }
  .menu li {
    padding: 15px 10px;
  }
  .menu li.button {
    padding-right: 0;
  }
}

$(function() {
    $(".toggle").on("click", function() {
        if ($(".item").hasClass("active")) {
            $(".item").removeClass("active");
            $(this).find("a").html("<i class='fas fa-bars'></i>");
        } else {
            $(".item").addClass("active");
            $(this).find("a").html("<i class='fas fa-times'></i>");
        }
    });
});