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HTML

CSS

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Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

HTML

            
              <nav id="layered-nav">
  <div class="main option">
    <h2>Colors</h2>
  </div>
  <div class="section primary-section option">
    <h2>Primary</h2>
  </div>
  <div class="section secondary-section option">
    <h2>Secondary</h2>
  </div>
  <div class="section tertiary-section option">
    <h2>Tertiary</h2>
  </div>
  <div class="primary red option">
    <h2>Red</h2>
  </div>
  <div class="primary yellow option">
    <h2>Yellow</h2>
  </div>
  <div class="primary blue option">
    <h2>Blue</h2>
  </div>
  <div class="secondary green option">
    <h2>Green</h2>
  </div>
  <div class="secondary orange option">
    <h2>Orange</h2>
  </div>
  <div class="secondary purple option">
    <h2>Purple</h2>
  </div>
  <div class="tertiary red-orange option">
    <h2>Red-Orange</h2>
  </div>
  <div class="tertiary yellow-orange option">
    <h2>Yellow-Orange</h2>
  </div>
  <div class="tertiary red-purple option">
    <h2>Red-Purple</h2>
  </div>
  <div class="tertiary blue-purple option">
    <h2>Blue-Purple</h2>
  </div>
  <div class="tertiary blue-green option">
    <h2>Blue-Green</h2>
  </div>
  <div class="tertiary yellow-green option">
    <h2>yellow-green</h2>
  </div>
</nav>

<div id="back-button">
  <h2>Back</h2>  
</div>

            
          
!

CSS

            
              /* Set the containing element to flex
 * with a flow of row wrap.
 */
#layered-nav {
  display: flex;
  flex-flow: row wrap;
}

/* Everything below this comment exists 
 * purely for styling.
 */

.option {
  height: 150px;
  width: 150px;
  color: #fff;
  text-align: center;
  border-radius: 50%;
  margin: 10px;
}

#back-button {
  margin-left: 50px;
}

h2 { padding-top: 40px; }

.main, 
.section { background-color: #a9a9a9; }

/* Colors */
.red { background-color: red; }
.yellow { background-color: yellow; }
.blue { background-color: blue; }
.orange { background-color: orange; }
.green { background-color: green; }
.purple { background-color: purple; }
.red-orange { background-color: #FE6501; }
.yellow-orange { background-color: #FECC01; }
.red-purple { background-color: #B701DB; }
.blue-purple { background-color: #5601FF; }
.blue-green { background-color: #00CDCD; }
.yellow-green{ background-color: #3EFF01; }

            
          
!

JS

            
              // First, we create a function to hide everything.
hideAll = function() {
  $( '.option' ).hide();
}

// Next we set the default behavior
$( document ).ready( function() {
  hideAll();
  $( '.main' ).show();
});

// Then we set the behavior of our reset button
$( '#back-button' ).click( function() {
  hideAll();
  $( '.main' ).show();
});

// Lastly, we set the click behavior of all of our options
$( '.main' ).click( function() {
  hideAll();
  $( '.section' ).show();
});

$( '.primary-section' ).click( function() {
  hideAll();
  $( '.primary' ).show();
});

$( '.secondary-section' ).click( function() {
  hideAll();
  $( '.secondary' ).show();
});

$( '.tertiary-section' ).click( function() {
  hideAll();
  $( '.tertiary' ).show();
})


            
          
!
999px

Console