<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Lato&subset=latin,latin-ext">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>

<div class="example3">
  <nav class="navbar navbar-inverse navbar-static-top">
    <div class="container">
      <div class="navbar-header">
        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar3">
          <span class="sr-only">Toggle navigation</span>
          <span class="icon-bar"></span>
          <span class="icon-bar"></span>
          <span class="icon-bar"></span>
        </button>
        <a class="navbar-brand" href="http://disputebills.com"><img src="https://res.cloudinary.com/candidbusiness/image/upload/v1455406304/dispute-bills-chicago.png" alt="Dispute Bills">
        </a>
      </div>
      <div id="navbar3" class="navbar-collapse collapse">
        <ul class="nav navbar-nav navbar-right">
          <li class="active"><a href="#">Home</a></li>
          <li><a href="#">About</a></li>
          <li><a href="#">Contact</a></li>
          <li class="dropdown">
            <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false">Dropdown <span class="caret"></span></a>
            <ul class="dropdown-menu" role="menu">
              <li><a href="#">Action</a></li>
              <li><a href="#">Another action</a></li>
              <li><a href="#">Something else here</a></li>
              <li class="divider"></li>
              <li class="dropdown-header">Nav header</li>
              <li><a href="#">Separated link</a></li>
              <li><a href="#">One more separated link</a></li>
            </ul>
          </li>
        </ul>
      </div>
      <!--/.nav-collapse -->
    </div>
    <!--/.container-fluid -->
  </nav>
</div>

.navbar-inverse .navbar-nav>li>a {
    color: #fbfbfb;
    font-size: 17px;
    font-weight: bold;
}

.navbar-brand {
  padding: 0px;
}
.navbar-brand>img {
  height: 100%;
  padding: 8px;
  width: auto;
}

.example3 .navbar-brand {
  height: 80px;
}

.example3 .nav >li >a {
  padding-top: 30px;
  padding-bottom: 30px;
}
.example3 .navbar-toggle {
  padding: 10px;
  margin: 25px 15px 25px 0;
}

<div class="col-md-3"></div>
<div class="col-md-6">
  <ul class="menu" id="myTopnav">
    <li><a href="#" class="active">Home</a></li>
    <li><a href="#">News</a></li>
    <li><a href="#">Contact</a></li>
    <li><a href="#">About</a></li>
    <li class="icon"><a href="javascript:void(0);" style="font-size: 20px;" onclick="myFunction()">☰</a></li>
</ul>
</div>
<div class="col-md-3"></div>

ul.menu {
  list-style: none;
  margin: 0;
  padding: 0;
  list-style-type: none;
  overflow: hidden;
  background: #333;
}
ul.menu li {
  float: left;
}
ul.menu li a {
  text-decoration: none;
  display: inline-block;
  text-align: center;
/*   color: #A6323B; */
  color: #416BBF;
  padding: 14px 16px;
  transition: 0.3s;
  font-size: 20px;
}
ul.menu li:hover a {
  background: #222;
}
ul.menu li.icon {
  display: none;
}

/* MEDIA */

@media screen and (max-width: 680px) {
  ul.menu li:not(:first-child) {
    display: none;
  }

  ul.menu li.icon {
    float: right;
    display: inline-block;
  }
  
  ul.menu.responsive {
    position: relative;
  }
  ul.menu.responsive li.icon {
    position: absolute;
    top: 0;
    right: 0;
  }
  ul.menu.responsive li {
    float: none;
    display: inline;
  }
  ul.menu.responsive li a {
    display: block;
    text-align: left;
  }
}

function myFunction() {
  var x = document.getElementById("myTopnav");
  if (x.className === "menu") {
    x.className += " responsive";
  }else{
    x.className = "menu";
  }
}

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>

<nav>
  <a href="#" class="menu-trigger">Menu</a>
  <ul>
    <li><a href="#">Home</a></li>
    <li><a href="#">About</a></li>
    <li><a href="#">Contact</a></li>
    <li><a href="#">Products</a></li>
  </ul>
</nav>

body {
  background-color: #28000A;
  font-family: Arial, sans-serif;
}

nav {
  width: 100%;
  background-color: #9615B7;
}

nav ul li {
  display: inline-block;  
}

nav a {
  display: block;
  text-decoration: none;
  padding: 20px 30px;
  color: #28000A;
}

nav a:hover {
  background: #EA21C7;
}
.menu-trigger {
  text-align: center;
  display: none;
}

@media screen and (max-width: 500px) {
  
  nav ul li {
    display: block;
    text-align: center;
  }
  
  nav a {
    border-bottom: 1px solid #5B0453;
  }
  
  nav ul {
    display: none;
  }
  
  .menu-trigger {
    display: block;
  }
  
}

$(document).ready(function() {
  
  $('.menu-trigger').click(function() {
    $('nav ul').slideToggle(500);
  });//end slide toggle
  
  $(window).resize(function() {
    if ($(window).width() > 500) {
      $('nav ul').removeAttr('style');
    }
  });
});

<div class="navBar" id="mainNavBar">
  <a href="#home">Home</a>
  <a href="#service">Services</a>
  <a href="#about">About Us</a>
  <a href="#contact">Contact</a>
  <a href="javascript:void(0);" class="icon" onClick="openDrawerMenu()">☰</a>
</div>

.navBar{
  background-color: #009cde;
  overflow: hidden;
}

.navBar a{
  float: left;
  color: white;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
  font-family: Tahoma;
}

.navBar a:hover{
  background-color: white;
  color: #009cde;
}

.navBar .icon{
  display: none;
}

@media (max-width: 700px){
  .navBar a:not(:first-child){
    display: none;
  }

  .navBar a.icon{
    display: block; float: right;
  }
  
  .navBar.responsive {
    position: relative;
  }
  .navBar.responsive a.icon {
    position: absolute;
    right: 0;
    top: 0;
  }
  
  .navBar.responsive a {
    float: none;
    display: block;
    text-align: left;
  }
}

function openDrawerMenu(){
  var x = document.getElementById("mainNavBar");
  if (x.className === "navBar"){
    x.className += " responsive";
  } else {
    x.className = "navBar";
  }
}