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HTML 

              
                <!-- #Start Pattern -->
<header class="header header--fixed" role="banner">
  <!-- Logo -->
  <h1 class="logo"><a href="#logo">Logo</a></h1>
  
  <!-- Menu Trigger -->
  <a href="#menu" id="menu-trigger"><span aria-hidden="true">Menu</span></a>

  <!-- Nav -->
  <nav id="menu" class="navigation off-canvas--hide" aria-hidden="false" role="navigation">
    <span class="menu-close" aria-hidden="true">X</span>
    <a href="https://bradfrost.github.com/this-is-responsive" class="navigation__link">Features</a>
    <a href="https://bradfrost.github.com/this-is-responsive/patterns.html" class="navigation__link">Pricing</a>
    <a href="https://bradfrost.github.com/this-is-responsive/patterns.html" class="navigation__link">About</a>
    <a href="https://bradfrost.github.com/this-is-responsive/patterns.html" class="navigation__link">Blog</a>
    <a href="https://bradfrost.github.com/this-is-responsive/patterns.html" class="navigation__link">Contact</a>
    <a href="https://bradfrost.github.com/this-is-responsive/patterns.html" class="navigation__link">Sign In</a>
    <a href="https://bradfrost.github.com/this-is-responsive/patterns.html" class="navigation__link">Sign Up</a>
  </nav>
</header>
<!-- #End Pattern -->

<main role="main">
  <header>
      <h1>The Rest of the Story</h1>
  </header>

  <p>Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Vestibulum tortor quam, feugiat vitae, ultricies eget, tempor sit amet, ante. Donec eu libero sit amet quam egestas semper. Aenean ultricies mi vitae est. Mauris placerat eleifend leo.</p>
  <p>Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Vestibulum tortor quam, feugiat vitae, ultricies eget, tempor sit amet, ante. Donec eu libero sit amet quam egestas semper. Aenean ultricies mi vitae est. Mauris placerat eleifend leo.</p>
  <p>Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Vestibulum tortor quam, feugiat vitae, ultricies eget, tempor sit amet, ante. Donec eu libero sit amet quam egestas semper. Aenean ultricies mi vitae est. Mauris placerat eleifend leo.</p>
  <p>Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Vestibulum tortor quam, feugiat vitae, ultricies eget, tempor sit amet, ante. Donec eu libero sit amet quam egestas semper. Aenean ultricies mi vitae est. Mauris placerat eleifend leo.</p>
  <p>Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Vestibulum tortor quam, feugiat vitae, ultricies eget, tempor sit amet, ante. Donec eu libero sit amet quam egestas semper. Aenean ultricies mi vitae est. Mauris placerat eleifend leo.</p>
  <p>Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Vestibulum tortor quam, feugiat vitae, ultricies eget, tempor sit amet, ante. Donec eu libero sit amet quam egestas semper. Aenean ultricies mi vitae est. Mauris placerat eleifend leo.</p>
</main>

	<div class="container">	
		<section class="pattern-description">
			<h1>Off Canvas Full Screen Overlay</h1>
      <p>An off-canvas layout that tucks a top level navigation outside the viewport for small screens but exposes it once enough screen space becomes available.</p>
			<h2>Resources</h2>
			<ul>
			<li><a href="http://www.lukew.com/ff/entry.asp?1517">Off Canvas Multi-Device Layout Entry 1517</a></li>
			<li><a href="http://www.lukew.com/ff/entry.asp?1569">Off Canvas Multi-Device Layouts Entry 1519</a></li>
			<li><a href="http://jasonweaver.name/lab/offcanvas/">Off-Canvas demo by Jason Weaver</a></li>
			<li><a href="https://www.zurb.com/playground/off-canvas-layouts">Off Canvas Layouts in Zurb Foundation</a></li>
			</ul>
		</section>
		<footer role="contentinfo">   
			<div>
				<nav id="menu">
					<a href="https://bradfrost.github.com/this-is-responsive/patterns.html">&larr;More Responsive Patterns</a>
				</nav>
			</div>
		</footer>
	</div>
!

CSS 

              
                /*
 *******************************************************
 * Off Canvas Notes
 * You will need to provide your own fallbacks for any
 * device/browser the does not support transitions and
 * transforms. I would suggest using the right or left
 * property as a fallback to the transforms used.
 *******************************************************
 */


/*
 *******************************************************
 * GLobals
 *******************************************************
 */

* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

a {
  color: gray;
}


/*
 *******************************************************
 * Container
 *******************************************************
 */

[role="banner"],
[role="main"] {
  padding: 0 5%;
}

.container {
  width: 100%;
  background: #EFEFEF;
  padding: .5rem 5%; /* 8/16 = .5rem */
}


/*
 *******************************************************
 * Logo
 *******************************************************
 */

.logo {
  font-size: 1.375rem; /* 22/16 = .5rem */
}


/*
 *******************************************************
 * Menu Triggers
 *******************************************************
 */

/* Hide Triggers When JS is Disabled */
.menu-close,
#menu-trigger{
  display: none;
}

.js .menu-close {
  display: inline-block;
  background: #070606;
  color: #F3E8E8;
  padding: .625rem; /* 10/16 = .625rem */
  width: 100%;
  text-align: center;
}


/*
 *******************************************************
 * Media Query Small Screens
 *******************************************************
 */

@media screen and (max-width: 40em) { /* 640/16 = 40em */
  .header {
    padding: 0 5%;
  }

  .js .logo {
    background: #383636;
    position: fixed;
    width: 100%;
    left: 0;
    top: 0;
    margin: 0;
    padding: 1.25rem 5%; /* 8/16 = .5em */
  }

  .js #menu-trigger {
    display: inline-block;
    position: absolute;
    top: 1.375rem; /* 22/16 = .5rem */
    right: 5%;
    color: white;
  }

  #menu-trigger:hover {
    cursor: pointer;
  }

  .js .navigation {
    display: block;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    /* Off Canvas Menu Slide in Speed */
    -webkit-transition: 0.3s -webkit-transform cubic-bezier(0,0,.58,1);
    -moz-transition: 0.3s -moz-transform cubic-bezier(0,0,.58,1);
    -o-transition: 0.3s -o-transform cubic-bezier(0,0,.58,1);
    transition: 0.3s transform cubic-bezier(0,0,.58,1);
    width: 100%;
    overflow-y: auto;
    z-index: 10000;
    background: rgba(255, 255, 255, 0.98);
  }

  /* Hide : Off Canvas Menu */
  .js .off-canvas--hide {
    -webkit-transform: translateX(100%);
    -moz-transform: translateX(100%);
    -ms-transform: translateX(100%);
    -o-transform: translateX(100%);
    transform: translateX(100%);
  }

  /* Show : Off Canvas Menu Class */
  .js .off-canvas--show {
    -webkit-transform: translateX(0);
    -moz-transform: translateX(0);
    -ms-transform: translateX(0);
    -o-transform: translateX(0);
    transform: translateX(0);
  }

  .navigation__link {
    display: block;
    text-align: center;
    padding-left: 1.25rem; /* 20/16 = 1.25rem */
    padding: 0.625rem 1.25rem; /* 10/16 = 0.625rem */ /* 20/16 = 1.25rem */
  }

  .js .header--fixed {
    position: fixed;
    top: 0;
    left: 0;
    /* Layer Promotion for Hardware Acceleration */
    -webkit-transform: translateZ(0);
    -moz-transform: translateZ(0);
    -ms-transform: translateZ(0);
    -o-transform: translateZ(0);
    transform: translateZ(0);
    width: 100%;
    z-index: 9000; /* because we dont know what is on the page and layered so setting this high pushes our menu to the front of the stack when it slides over our content. */
    height: 100%;
  }

  .js [role="main"] {
    padding-top: 5rem; /* 80/16 = 5rem */
  }
}


@media screen and (max-width: 40.00625em) { /* 640.1/16 = 40.00625em */
  .menu-close:hover {
    cursor: pointer;
  }
}


/*
 *******************************************************
 * Media Query Large Screens
 *******************************************************
 */

@media screen and (min-width: 40.00625em) { /* 640.1/16 = 40.00625em */
  .js .menu-close {
    display: none;
  }

  .js #menu-trigger {
    display: none;
  }

  .navigation {
    display: inline-block;
    width: 100%;
  }
}
!

JS 

              
                $('body').addClass('js');

$('#menu-trigger').on('click', function(e) {
    e.preventDefault();
    $('.navigation').toggleClass('off-canvas--hide off-canvas--show');
    $('.navigation').attr('aria-hidden', 'false');
});

$('.menu-close').on('click', function() {
    $('.navigation').toggleClass('off-canvas--hide off-canvas--show');
    $('.navigation').attr('aria-hidden', 'true');
});

$(window).resize(function() {
  if($(window).width() > 640) {
    $('.navigation').removeClass('off-canvas--show');
    $('.navigation').attr('aria-hidden', 'false');
  } else {
    $('.navigation').addClass('off-canvas--hide');
    $('.navigation').attr('aria-hidden', 'true');
  }
});
!
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