Pen Settings



CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URL's added here will be added as <link>s in order, and before the CSS in the editor. If you link to another Pen, it will include the CSS from that Pen. If the preprocessor matches, it will attempt to combine them before processing.

+ add another resource


Babel is required to process package imports. If you need a different preprocessor remove all packages first.

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


Save Automatically?

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.


                <link href="" rel="stylesheet">
<link type="text/css" rel="stylesheet" href="dreamcodes/divider/css/tsc_divider.css" />

<div class="container-fluid" style="background-color: white ">
  <h1 class="text-center"> John von Neumann
  <hr class="style13">

  <div class="row textfont">
    <div class="col-md-3">
      <a href="#" target="_blank">
        <img src=""  
             class="center-block img-responsive"
             style="border:5px double black"
             alt="profile picture" width="300" height="200"> </img> 
    <h5 class="caption text-center"><strong> John von Neumann in the 1940s</strong></h5>
    <div class="col-md-9">
        “If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is."<br> 
      <footer class="tab"><cite>― John von Neumann </cite></footer>
      <p class="tab">John von Neumann was a Hungarian-American pure and applied mathematician, physicist, inventor, computer scientist, and polymath. He made major contributions to a number of fields, including mathematics (foundations of mathematics, functional analysis, ergodic theory, geometry, topology, and numerical analysis), physics (quantum mechanics, hydrodynamics and quantum statistical mechanics), economics (game theory), computing (von Neumann architecture, linear programming, self-replicating machines, stochastic computing), and statistics. </p>

<p class="tab"> He was a pioneer of the application of operator theory to quantum mechanics, in the development of functional analysis, and a key figure in the development of game theory and the concepts of cellular automata, the universal constructor and the digital computer. He published 150 papers in his life: 60 in pure mathematics, 20 in physics, and 60 in applied mathematics. His last work, an unfinished manuscript written while in the hospital, was later published in book form as The Computer and the Brain. </p>

<p class="tab">His mathematical analysis of the structure of self-replication preceded the discovery of the structure of DNA. In a short list of facts about his life he submitted to the National Academy of Sciences, he stated "The part of my work I consider most essential is that on quantum mechanics, which developed in Göttingen in 1926, and subsequently in Berlin in 1927–1929. Also, my work on various forms of operator theory, Berlin 1930 and Princeton 1935–1939; on the ergodic theorem, Princeton, 1931–1932." </p>

<p class="tab"> During World War II he worked on the Manhattan Project, developing the mathematical models behind the explosive lenses used in the implosion-type nuclear weapon. After the war, he served on the General Advisory Committee of the United States Atomic Energy Commission, and later as one of its commissioners. He was a consultant to a number of organizations, including the United States Air Force, the Army's Ballistic Research Laboratory, the Armed Forces Special Weapons Project, and the Lawrence Livermore National Laboratory. Along with theoretical physicist Edward Teller, mathematician Stanislaw Ulam, and others, he worked out key steps in the nuclear physics involved in thermonuclear reactions and the hydrogen bomb. </p>
      <footer class="tab"><cite> - taken from wikipedia page </cite></footer>

 <hr class="style13">

<div class="row">
  <div class="col-md-12">
    <h2 class="titlefont">Time Line: </h2>
        <li><strong> 1903: </strong> John von Neumann was born. </li>
        <li><strong> 1914: </strong> Enrolled in Lutheran Gymnasium.</li>
        <li><strong> 1921: </strong> Attended the universities of Berlin and later Zurich. </li>
        <li><strong> 1922: </strong> Published his first paper in the Journal of the German Mathematical Society. </li>
        <li><strong> 1925: </strong> Finished his graduation. </li>
        <li><strong> 1926: </strong> Attended the university in Gottingen, Germany. </li>
        <li><strong> 1927-1929: </strong> Formulated the quantum mechanics. </li>
        <li><strong> 1929: </strong> Wrote 32 papers written in his name in German</li>
        <li><strong> 1929: </strong> Was offered a post of lecturer at Princeton in America </li>
        <li><strong> 1930: </strong> Married Mariette Kovesi.</li>
        <li><strong> 1936: </strong> Divorced Mariette Kovesi</li>
        <li><strong> 1938: </strong> Married Klari Dan</li>
        <li><strong> 1957: </strong> He passed away on 8 February</li>
<h4 class="text-center">Learn more about <a href=""  target="_blank">John von Neumann</a>

 <footer class="text-center">
   <hr style="height:1px;border:none;color:#333;background-color:#333;">
   <h6>Page written by <a href="" target="_blank">Bryce Vonilten</a>.</h6>



                .titlefont {
  font-family: 'Work Sans', sans-serif;
hr.style13 {
	height: 10px;
	border: 0;
	box-shadow: 0 10px 10px -10px #8c8b8b inset;

body {
  margin-left: 5%;
  margin-right: 5%;
  background-color: lightgray;

.tab { 
  text-indent: 50px;