Pen Settings

HTML

CSS

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URLs added here will be added as <link>s in order, and before the CSS in the editor. You can use the CSS from another Pen by using its URL and the proper URL extension.

+ add another resource

JavaScript

Babel includes JSX processing.

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

+ add another resource

Packages

Add Packages

Search for and use JavaScript packages from npm here. By selecting a package, an import statement will be added to the top of the JavaScript editor for this package.

Behavior

Auto Save

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

Format on Save

If enabled, your code will be formatted when you actively save your Pen. Note: your code becomes un-folded during formatting.

Editor Settings

Code Indentation

Want to change your Syntax Highlighting theme, Fonts and more?

Visit your global Editor Settings.

HTML

              
                <!--For our animations to look good, the animated elements need to be able to be scrolled to. For this example I've added dummy content to the top -->
<div class="main-container">
  <div class="container">
    <h1>Fade up from the bottom</h1>
    <p>This animation will focus on fade in and up an element when it comes into the focus of the viewer. </p>
  </div>
  <div class="container">
    <h2>
Course and Subjects <i class="fa fa-comment"></i></h2>
    <p>Here are our latest subjects that we are currently offering</p>
    <p>We supply a wide range of topics, including development, design, photography and everything in-between</p>
  </div>
  <div class="container cf">
    <!-- Course 1 -->
    <div class="animation-element bounce-up cf">
      <div class="subject development">
        <div class="category-color"></div>
        <div class="icon"><i class="fa fa-cogs"></i></div>
        <div class="header cf">
          <h4 class="date"><i class="fa fa-calendar-o"></i> April, 2015</h4>
          <h4 class="category"><i class="fa fa-folder-o"></i> Development</h4>
        </div>
        <h3 class="title">Fundamentals of C++ Development</h3>
        <div class="content">An introductory class on C++. This course will outline the basic elements required to understand development...</div>
        <div class="enrole">Enrole</div>
      </div>
    </div>
    <!-- Course 2 -->
    <div class="animation-element bounce-up cf">
      <div class="subject design">
        <div class="category-color"></div>
        <div class="icon"><i class="fa fa-pencil"></i></div>
        <div class="header cf">
          <h4 class="date"><i class="fa fa-calendar-o"></i> April, 2015</h4>
          <h4 class="category"><i class="fa fa-folder-o"></i> Design</h4>
        </div>
        <h3 class="title">Introduction to design </h3>
        <div class="content">Learn the basics of design and how to adapt them to your wordflow. This course covers an outline of Photoshop and...</div>
        <div class="enrole">Enrole</div>
      </div>
    </div>
    <!-- Course 3 -->
    <div class="animation-element bounce-up">
      <div class="subject photography">
        <div class="category-color"></div>
        <div class="icon"><i class="fa fa-camera"></i></div>
        <div class="header cf">
          <h4 class="date"><i class="fa fa-calendar-o"></i> May, 2015</h4>
          <h4 class="category"><i class="fa fa-folder-o"></i> Photography</h4>
        </div>
        <h3 class="title">Macro Photography Essentials </h3>
        <div class="content">This topic will contain all of the neseccary elements you will need to dive head first into taking stunning macro photography...</div>
        <div class="enrole">Enrole</div>
      </div>
    </div>
    <!-- Course 4 -->
    <div class="animation-element bounce-up cf">
      <div class="subject design">
        <div class="category-color"></div>
        <div class="icon"><i class="fa fa-pencil"></i></div>
        <div class="header cf">
          <h4 class="date"><i class="fa fa-calendar-o"></i> June, 2015</h4>
          <h4 class="category"><i class="fa fa-folder-o"></i> Design</h4>
        </div>
        <h3 class="title">Designing for the web</h3>
        <div class="content">In this course we will look into specific design techniques and adapt them for use on the web. This will include...</div>
        <div class="enrole">Enrole</div>
      </div>
    </div>
    <!-- Course 5 -->
    <div class="animation-element bounce-up cf">
      <div class="subject development">
        <div class="category-color"></div>
        <div class="icon"><i class="fa fa-cogs"></i></div>
        <div class="header cf">
          <h4 class="date"><i class="fa fa-calendar-o"></i> June, 2015</h4>
          <h4 class="category"><i class="fa fa-folder-o"></i> Development</h4>
        </div>
        <h3 class="title">Objective C# and iOS Development</h3>
        <div class="content">Thoughout this topic you will learn how to build responsive, fast and simple iOS apps. This topic is for an inermetidate...</div>
        <div class="enrole">Enrole</div>
      </div>
    </div>
    <!-- Course 6 -->
    <div class="animation-element bounce-up cf">
      <div class="subject development">
        <div class="category-color"></div>
        <div class="icon"><i class="fa fa-cogs"></i></div>
        <div class="header cf">
          <h4 class="date"><i class="fa fa-calendar-o"></i> June, 2015</h4>
          <h4 class="category"><i class="fa fa-folder-o"></i> Development</h4>
        </div>
        <h3 class="title">Javascript and jQuery</h3>
        <div class="content">The modern web is moving more and more towards dynamic interfaces. In this course you will learn how to use JavaScript and jQuery...</div>
        <div class="enrole">Enrole</div>
      </div>
    </div>
    <!-- Course 7 -->
    <div class="animation-element bounce-up">
      <div class="subject photography">
        <div class="category-color"></div>
        <div class="icon"><i class="fa fa-camera"></i></div>
        <div class="header cf">
          <h4 class="date"><i class="fa fa-calendar-o"></i> July, 2015</h4>
          <h4 class="category"><i class="fa fa-folder-o"></i> Photography</h4>
        </div>
        <h3 class="title">Street Photography for beginners</h3>
        <div class="content">Learn about the techniques and tools you can implement to improve your street photography. Including element such as shutter speed and ...</div>
        <div class="enrole">Enrole</div>
      </div>
    </div>
  </div>
              
            
!

CSS

              
                /*These styles contain basic styles for fomatting along with our animation css*/

body {
  font-size: 16px;
  font-family: 'Open Sans', sans-serif;
  font-weight: 400;
  background: #efefef;
  line-height: 170%;
}

strong,
b {
  font-weight: 600
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 300;
  line-height: 150%;
}

i.fa {
  color: #333;
}

*,
*:before,
*:after {
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
}
/*clearfixes*/

.cf:before,
.cf:after {
  content: " ";
  display: table;
}

.cf:after {
  clear: both;
}

.main-container {
  background: #fff;
  max-width: 1000px;
  margin: 25px 25px auto;
  position: relative;
}

.container {
  position: relative;
  padding: 25px;
}

.container:last-of-type {
  padding-top: 0px;
}
/*animation element*/

.animation-element {
  position: relative;
  width: 30%;
  margin: 0% 1.33 2.66% 1.33%;
  float: left;
}
/*3 grid layout*/

.animation-element:nth-of-type(3n-2) {
  width: 31.5%;
  margin: 0% 1.375% 2.75% 0%;
  clear: left;
}

.animation-element:nth-of-type(3n-1) {
  width: 31.5%;
  margin: 0% 1.375% 2.75% 1.375%;
}

.animation-element:nth-of-type(3n-0) {
  width: 31.5%;
  margin: 0% 0% 2.75% 1.375%;
  clear: right;
}
/*bounce up animation for the subject*/

.bounce-up .subject {
  opacity: 0;
  -moz-transition: all 700ms ease-out;
  -webkit-transition: all 700ms ease-out;
  -o-transition: all 700ms ease-out;
  transition: all 700ms ease-out;
  -moz-transform: translate3d(0px, 200px, 0px);
  -webkit-transform: translate3d(0px, 200px, 0px);
  -o-transform: translate(0px, 200px);
  -ms-transform: translate(0px, 200px);
  transform: translate3d(0px, 200, 0px);
  -webkit-backface-visibility: hidden;
  -moz-backface-visibility: hidden;
  backface-visibility: hidden;
}

.bounce-up.in-view .subject {
  opacity: 1;
  -moz-transform: translate3d(0px, 0px, 0px);
  -webkit-transform: translate3d(0px, 0px, 0px);
  -o-transform: translate(0px, 0px);
  -ms-transform: translate(0px, 0px);
  transform: translate3d(0px, 0px, 0px);
}

.subject {
  float: left;
  width: 100%;
  margin: 0% 1.33% 2.66% 1.33%;
  background: #F5F5F5;
  padding: 15px;
  box-shadow: 0px 1px 1px 0px rgba(0, 0, 0, 0.2);
  border: solid 1px #EAEAEA;
}

.subject:hover,
.subject:active {
  box-shadow: 0px 2px 6px 0px rgba(0, 0, 0, 0.25);
}

.subject .header {
  margin: 8px 0px;
}

.subject .header .date,
.subject .header .category {
  margin: 0px;
  clear: none;
  width: 50%;
}

.subject .header .date i,
.subject .header .category i {
  margin-right: 5px;
  color: #333;
  -moz-transition: all 400ms linear;
  -webkit-transition: all 400ms linear;
  -o-transition: all 400ms linear;
  transition: all 400ms linear;
}

.subject .header .date {
  float: left;
  text-align: left;
}

.subject .header .category {
  float: right;
  text-align: right;
}
/*subject icon at top*/

.subject .icon {
  position: absolute;
  top: -20px;
  left: 50%;
  left: calc(50% - 20px);
}

.subject .icon i {
  width: 40px;
  height: 40px;
  color: rgb(255, 255, 255);
  font-size: 150%;
  border-radius: 50%;
  text-align: center;
  padding: 7px;
}
/*Category color / icon color*/

.subject .category-color {
  height: 7px;
  position: absolute;
  top: 0px;
  left: 0px;
  width: 100%;
}

.subject.design .category-color,
.subject.design .icon i {
  background: #c0392b;
}

.subject.development .category-color,
.subject.development .icon i {
  background: #16a085;
}

.subject.photography .category-color,
.subject.photography .icon i {
  background: #2980b9;
}
/*hovering over subject*/

.subject.development:hover .header i {
  color: #16a085;
}

.subject.design:hover .header i {
  color: #c0392b;
}

.subject.photography:hover .header i {
  color: #2980b9;
}

.subject .title {
  margin: 12px 0px;
  border-bottom: dashed 1px #ccc;
  padding-bottom: 10px;
}

.subject .content {
  margin-bottom: 8px;
}

.subject .enrole {
  position: relative;
  color: #333;
  padding: 5px 12px;
  cursor: pointer;
  float: right;
  display: inline-block;
  border: solid 1px #ccc;
  -moz-transition: all 400ms linear;
  -webkit-transition: all 400ms linear;
  -o-transition: all 400ms linear;
  transition: all 400ms linear;
}

.subject .enrole:hover,
.subject .enrole:active {
  background: #222;
  color: #fff;
}
/*media queries for small devices*/

@media screen and (max-width: 678px) {
  .main-container {
    margin: 20px 15px;
  }
  .animation-element,
  .animation-element:nth-of-type(3n-1),
  .animation-element:nth-of-type(3n-2),
  .animation-element:nth-of-type(3n-0) {
    width: 100%;
    margin: 0px 0px 30px 0px;
  }
  .subject .header .date,
  .subject .header .category {
    width: 100%;
    margin-bottom: 10px;
    text-align: center;
  }
}
              
            
!

JS

              
                var $animation_elements = $('.animation-element');
var $window = $(window);

function check_if_in_view() {
  var window_height = $window.height();
  var window_top_position = $window.scrollTop();
  var window_bottom_position = (window_top_position + window_height);

  $.each($animation_elements, function() {
    var $element = $(this);
    var element_height = $element.outerHeight();
    var element_top_position = $element.offset().top;
    var element_bottom_position = (element_top_position + element_height);

    //check to see if this current container is within viewport
    if ((element_bottom_position >= window_top_position) &&
      (element_top_position <= window_bottom_position)) {
      $element.addClass('in-view');
    } else {
      $element.removeClass('in-view');
    }
  });
}

$window.on('scroll resize', check_if_in_view);
$window.trigger('scroll');
              
            
!
999px

Console