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HTML

              
                <div class="main-wrapper">
  <header class="main-header">
    <h1 class="main-logo"><a href="#">Logo</a></h1>
    <ul class="main-nav">
      <li><a href="#">Link 1</a></li>
      <li><a href="#">Link 2</a></li>
      <li><a href="#">Link 3</a></li>
      <li><a href="#">Link 4</a></li>
    </ul>
  </header>
<!-- 		<div class="main-banner">
    <h1>This is the Main Banner Heading</h1>
    <p>Andouille pork chop pancetta drumstick ground round beef ribs swine brisket ham.</p>
  </div> -->
  <div class="content-row">
    <div class="primary-content col">
      <h2>Primary Content</h2>
      <p>Bacon ipsum dolor sit amet chicken pork ground round brisket corned beef ball tip shank tail salami filet mignon ham hock pork belly venison shankle. Pig kielbasa drumstick sausage pork chop boudin. Chicken t-bone salami pork chop, beef ribs kevin ham tri-tip beef venison biltong brisket.</p>
      <p>Venison strip steak meatball chicken, brisket prosciutto sirloin. Capicola drumstick brisket tri-tip salami. Chicken beef jerky, tail turkey prosciutto cow ham sirloin boudin tenderloin. Meatloaf tri-tip turducken brisket andouille, pork belly corned beef fatback hamburger.</p>
    </div>
    <div class="extra-content col">
      <h3>Extra Content</h3>
      <p>Strip steak tenderloin kevin swine meatloaf capicola, doner beef turducken pancetta corned beef pork loin shoulder.</p>
      <hr>
      <p>Pork filet mignon leberkas, tail swine venison pancetta turkey shoulder brisket chalkers likes hamburgers.</p>
    </div>
    <div class="secondary-content col">
      <h3>Secondary Content</h3>
      <p>Strip steak tenderloin kevin swine meatloaf capicola, doner beef turducken pancetta corned beef pork loin shoulder.</p>
      <hr>
      <p>Pork filet mignon leberkas, tail swine venison pancetta turkey shoulder brisket chalkers likes hamburgers.</p>
    </div>
  </div>
  <footer class="main-footer">
    <p>&copy;2014 Example Layout</p>
  </footer>
</div>

              
            
!

CSS

              
                
/* Page Styles
================================ */

* {
	box-sizing: border-box;
}

html,
body{
	height: 100%;
}

body {
	font: normal 1.1em/1.5 sans-serif;
	color: #222;
	background-color: #edeff0;
}

ul {
  list-style-type: none;
  padding-left: 0;
  margin-left: 0;
}


/* Layout Element Colors
================================ */

.main-header       { background-color: #384047; }
.main-logo a       { background-color: #5fcf80; }
.main-nav a        { background-color: #3f8abf; }
.primary-content   { background-color: #caebf6; }
.secondary-content { background-color: #bfe3d0; }
.main-footer       { background-color: #b7c0c7; }

/* Header, Banner, and Footer Layout
===================================== */

.main-wrapper {
	width: 90%;
	margin: auto;
}

.main-header {
	min-height: 100px;
	padding: 15px;
}

.main-logo,
.main-nav li {
  float: left;
}

.main-logo {
  margin: 18px 50px 0 0;
}

.main-nav li {
  margin: 15px 10px 0 10px;
}

.main-logo a, 
.main-nav a {
	display: block;
	color: white;
	text-decoration: none;
	text-align: center;
	padding: 5px 15px;
	border-radius: 5px;
}

.main-banner {
	background: #dfe2e4;
	text-align: center;
	padding: 35px 15px;
}

.main-footer {
	text-align: center;
	padding-top: 5px;
	padding-bottom: 5px;
}


/* Column Layout
================================ */

.col {
	padding: 20px;
}


/* Media Queries
================================ */

@media (max-width: 768px) {
	.main-wrapper,
	.main-nav li, 
	.main-logo {
		width: initial;
		height: initial;
	}
  
	.main-logo {
		margin-right: 0;
	}
  
	.extra-content {
		display: none;
	}
}



              
            
!

JS

              
                
              
            
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999px

Console