CodePen

HTML

            
                <div class="social">
    <p>Gmail</p><a href="#" target="_blank">john.doe@gmail.com</a>
  </div>

  <div class="social">
    <p>Google+</p><a href="#" target="_blank">+John Doe</a>
  </div>

  <div class="social">
    <p>Facebook</p><a href="#" target="_blank">John Doe</a>
  </div>

  <div class="social">
    <p>Twitter</p><a href="#" target="_blank">@john.doe</a>
  </div>

  <div class="social">
    <p>GitHub</p><a href="#" target="_blank">GitHub</a>
  </div>

  <div class="social">
    <p>CodePen</p><a href="#" target="_blank">CodePen</a>
  </div>
            
          
!

↑ Insert the most common viewport meta tag

CSS

            
              * {
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	-ms-box-sizing: border-box;
	box-sizing: border-box;
  
  margin: 0;
  padding: 0;
}

body {
    background: #222;
    color: black;
}

.social {
    padding: 10px;
}
.social p {
    display: inline-block;
    margin: 0;
    padding: 0;
    cursor: pointer;
    background: #ccc;
}
.social a {
    display: none;
    text-decoration: none;
    color: white;
    background: black;
}

.social p, .social a {
  padding: 10px;
}
            
          
!
? ?
? ?
Must be a valid URL.
+ add another resource
via CSS Lint

JS

            
              $(function() {
  var social = $('.social');
  social.hover(function() {
    $(this).children('a').stop().fadeToggle(300);
  });  
});
            
          
!
Must be a valid URL.
+ add another resource
via JS Hint
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