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HTML 

              
                <!-- 
generate a new random quote
generate a random color for background
enable sharing buttons for twitter (half enabled) and tumbler
-->
<div class="container quoteFrame">
    <div class="quote">
    <p><i class="fa fa-quote-left"></i>
			<span id="quoteText">Problems worthy of attack prove their worth by fighting back.</span></p>
			<footer class="blockquote-footer"><span id="quoteAuthor">Someone Famous</span></footer>
    </div>
    <div class="buttons">
			<div class="btn btn-primary">
				<a id="shareTwitter" href="#"><i class="fa fa-twitter"></i></a>
			</div>
			<div class="btn btn-primary">
				<a id="shareTumblr" href="#"><i class="fa fa-tumblr"></i></a>
			</div>
      <a id="getNewQuote" class="btn btn-primary" style="float:right;">New quote</a>
    </div>  
</div>
<div class="footer text-center">
	<p class="smaller">by <a href="https://codepen.io/tonalmasher/">aram</a></p>
</div>
!

CSS 

              
                /*
* 
* To change colors you target  --main-bg-color in: html
*
*/

html {
  --main-bg-color: #9003fc;
}

body {
  background-color:  var(--main-bg-color);
  font-family: Raleway;
}

.quoteFrame {
  border-radius: 3px;
  position: relative;
  margin: 8% auto auto auto;
  max-width: 550px;
  padding: 40px 50px;
  display: table;
  background-color: #fff;
}

.quoteFrame p {
  text-align: center;
  font-weight: 500;
  font-size: 1.75em;
}

.quoteFrame footer {
  text-align: right;
  padding-top: 10px;
}

.buttons {
  padding-top: 20px;
  
}

.btn, .btn:hover {
  background-color: var(--main-bg-color);
  border-color: var(--main-bg-color);
}

.btn:hover {
  opacity: 0.8;
}

.fa {
  color: var(--main-bg-color);
} 

.quoteFrame .buttons a, .quoteFrame .buttons a:hover  {
  color: white;
}

.fa-twitter, .fa-tumblr {
  color: white;
  font-size: 18px;
}

.smaller {
	padding-top: 1rem;
	font-size: 12px;
	color: white;
}

.smaller a:visited {
	color: white;
}
!

JS 

              
                $(document).ready(function() { 
	
  $("#getNewQuote").on("click", function(){    
    /* request from forismatic API */
		var source= "https://api.forismatic.com/api/1.0/?method=getQuote&lang=en&format=jsonp&jsonp=?";
    $.getJSON(source, function(response) {
       /* Change the text inside of #currentQuote*/
      
			var forismaticResponse = JSON.stringify(response);
			/* convert the stringify result into an object */
			var newQuote = JSON.parse(forismaticResponse);
			
			$("#quoteText").html(newQuote.quoteText);
			$("#quoteAuthor").html(newQuote.quoteAuthor);
			$("#shareTwitter").html("<a id='shareTwitter' href='https://www.twitter.com/share?url=" + newQuote.quoteLink + "&text=" + newQuote.quoteText + "'" + "target='_blank'><i class='fa fa-twitter'></i></a>");
			$("#shareTumblr").html("<a id='shareTumblr' href='https://www.tumblr.com/share?url=" + newQuote.quoteLink + "'" + "target='_blank'><i class='fa fa-tumblr'></i></a>");
				/* Random color generater code from https://stackoverflow.com/questions/5092808/how-do-i-randomly-generate-html-hex-color-codes-using-javascript */
			$("html").css("--main-bg-color", function(){
				var color = '#'+(Math.random()*0xFFFFFF<<0).toString(16); 
				if ( color == '#ffffff'){
					return '#f1f1f1';
				} else return color;
			});
			
    });
  
  });
 
});
!
999px

Console