<header>
  <div class="container clear">
    <div id="logo" class="alignCenter left">Logo</div>
  <nav class="right">
    <div id="toggle" class="right">
      <span></span><span></span><span></span><span></span>
    </div>
	  <div id="menu">
      <ul id="menu-left-menu" class="menu">
        <li><a href="">Home</a></li>
        <li><a href="">About</a></li>
        <li><a href="">Contact</a></li>
      </ul>
      <div id="extra" class="clear">
        <div class="call_us left">
          <a href="" title="Call Us">Call</a>
        </div>
		  	<div class="email_us right">
          <a href="" title="Email Us">Email</a>
        </div>
	  	</div>
	  </div>
  </nav>
</div>
</header>

<section id="content_area" class="padAll alignCenter">
  <p>Content</p>
</section>
<footer class="padAll alignCenter">
  Footer
</footer>
/*Everything else*/
header {
    position:fixed;
    top:0;
    width:100%;
    height:115px;
    background:#2196F3;
}
#logo {
    width:60px;
    height:60px;
    color:#FFF;
    background:#673ab7;
    position: relative;
    line-height:60px;
    top: 25px;
    left: 25px;
    z-index: 555;
}

nav #menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    background: #212121;
    -webkit-transition: all .35s ease;
    transition: all .35s ease;
}
nav #menu ul {
    margin: 0;
    -webkit-transform: translateY(15vh);
    transform: translateY(15vh);
    -webkit-transition: all .35s ease;
    transition: all .35s ease;
}
nav ul li {
    list-style: none;
    display: block;
    text-align: center;
    margin: 0;
}
nav #menu ul li a:hover {
    color: #673ab7;
}
nav #menu ul li a {
    color: #FFF;
    font-weight: 700;
    text-transform: uppercase;
    display: inline-block;
    padding: 15px;
    font-size: 60px;
    line-height: 50px;
    -webkit-transition: all 0.2s ease-out;
    transition: all 0.2s ease-out;
}
#toggle {
    width: 60px;
    height: 60px;
    position: relative;
    top: 25px;
    right: 25px;
    background: #673ab7;
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
    -webkit-transition: .25s ease-in-out;
    transition: .25s ease-in-out;
    cursor: pointer;
    z-index: 555;
}
#toggle span {
    display: block;
    position: absolute;
    height: 4px;
    width: 35px;
    background: #FFF;
    border-radius: 25px;
    opacity: 1;
    left: 50%;
    margin-left: -17px;
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
    -webkit-transition: .25s ease-in-out;
    transition: .25s ease-in-out;
}
#toggle span:nth-child(1) {
    top: 19px;
}
#toggle span:nth-child(2),
#toggle span:nth-child(3) {
    top: 29px;
}
#toggle span:nth-child(4) {
    top: 39px;
}
#toggle.open span:nth-child(1) {
    top: 29px;
    width: 0%;
    left: 50%;
    margin: 0;
}
#toggle.open span:nth-child(2) {
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
}
#toggle.open span:nth-child(3) {
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
}
#toggle.open span:nth-child(4) {
    top: 29px;
    width: 0%;
    left: 50%;
    margin: 0;
}
body.active nav #menu {
    opacity: 1;
    visibility: visible;
}
body.active nav #menu ul {
    -webkit-transform: translateY(20vh);
    transform: translateY(20vh);
}
#extra {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
}
.call_us,.email_us {
    position: relative;
    bottom: 25px;
}
.call_us {
    left: 25px;
}
.email_us {
    right: 25px;
}
.call_us a,.email_us a {
    display: block;
    padding:15px;
    position: relative;
    background: #673ab7;
    color:#FFF;
}



/*Page Style*/
body {margin:0;padding:0;font-family: 'Open Sans', sans-serif;}
.left {float: left;}
.right {float: right;}
.padAll {padding: 25px;}
.alignCenter {text-align:center;}
a {text-decoration: none;}
p {margin:0;}
.clear::after{clear:both;content:"";display:table;}
#content_area {background:#E3F2FD;margin-top:115px;height:500px;}
footer {background:#212121;color:#FFF;}
//Mobile menu
$('#toggle').on('click', function(){
	$(this).toggleClass('open');
	$('body').toggleClass('active');
});

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js