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. You can use the CSS from another Pen by using it's URL and the proper URL extention.

+ add another resource


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


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.


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.


  <header class="yellow-row">
    <h1>Grace Murray Hopper</h1>
    <h2>“Amazing Grace”</h2>
      <img src="" alt="Grace Hopper at a Remington-Rand Univac computer" width="800" height="998">
      <figcaption class="reference">Image courtesy of <a href="" target="_blank">Computer&nbsp;History&nbsp;Museum</a>.</figcaption>
      <p>“Humans are allergic to change. They love to say, "We've always done it this way." I try to fight that. That's why I have a clock on my wall that runs counter-clockwise.” - Grace M. Hopper</p>
      <p class="quote-reference">From "The Wit and Wisdom of Grace Hopper" by Philip Schieber in OCLC Newsletter, No. 167 (March/April 1987)</p>
    <h3 class="yellow-row">Time line of Grace&nbsp;Murray&nbsp;Hopper</h3>
    <div id="timeline">
        <li><strong>1906</strong> - Born on December 9, in New York City, New York</li>
        <li><strong>1928</strong> - Graduated from Vassar College with a bachelor's degree in mathematics and physics</li>
        <li><strong>1930</strong> - Earned her master's degree at Yale University</li>
        <li><strong>1931</strong> - Joined Vassar College to teach mathematics</li>
        <li><strong>1934</strong> - Earned a Ph.D. in mathematics from Yale</li>
        <li><strong>1941</strong> - Promoted to associate professor at Vassar College</li>
        <li><strong>1943</strong> - Joined the U.S. Navy Reserve</li>
        <li><strong>1944</strong> - Graduated first of her class and was assigned to the Bureau of Ships Computation Project at Harvard University</li>
        <li><strong>1947</strong> - First computer “bug” case. While testing the Mark II Aiken Relay Calculator at Harvard, a moth was found stuck at a relay. The moth was removed and taped to the computer log with the entry “First actual case of bug being found.” From then on, the term “debugging” was used.</li>
        <li><strong>1949</strong> - Started working at the Eckert–Mauchly Computer Corporation as a senior mathematician and joined the team developing the UNIVAC&nbsp;I</li>
        <li><strong>1952</strong> - Published her first paper on  compilers and built her first compiler</li>
        <li><strong>1954</strong> - Promoted director of automatic programming. Some of the first compiler-based programming languages, including MATH-MATIC and FLOW-MATIC, were released under her direction.</li>
        <li><strong>1959</strong> - Served as a technical consultant with many of her former employees to the committee that defined the new language COBOL (COmmon Business-Oriented Language) during the Conference on Data Systems Languages (CODASYL)</li>
        <li><strong>1966</strong> - Retired from the Naval Reserve with the rank of Commander</li>
        <li><strong>1967</strong> - Recalled to active duty and served as the director of the Navy Programming Languages Group in the Navy's Office of Information Systems Planning. Developed validation software for COBOL and its compiler as part of a COBOL standardization program for the entire Navy.</li>
        <li><strong>1969</strong> - Awarded, the first ever, Computer Science Man of the Year award (now called the Distinguished Information Sciences Award) from the Data Processing Management Association</li>
        <li><strong>1971</strong> - Retired again from the Navy</li>
        <li><strong>1972</strong> - Recalled again to active duty</li>
        <li><strong>1973</strong> - Promoted to the rank of Captain</li>
        <li><strong>1983</strong> - Promoted to the rank of Commodore by special Presidential appointment (the rank of Commodore was later renamed Rear Admiral) </li>
        <li><strong>1986</strong> - Retired from the Navy and received the Defense Distinguished Service Medal, the highest non-combat decoration awarded by the Department of Defense. Became a senior consultant at the Digital Equipment Corporation.</li>
        <li><strong>1992</strong> - Died peacefully in her sleep of natural causes</li>
        <li><strong>2016</strong> - Awarded the Presidential Medal of Freedom for her accomplishments in the field of computer science by Barack Obama</li>
      <p class="reference"> Source: <a class="url-link" href="" target="_blank"></a></p>
  <footer class="yellow-row reference">
    <p><a href="" target="_blank">FreeCodeCamp</a> Project: Build&nbsp;a&nbsp;Tribute&nbsp;Page</p>
    <p>Created by <a href="" target="_blank">Cecile Bertin</a></p>


                * {
    box-sizing: border-box;
  margin: 0;
  margin-top: 7vw;
  background-color: #808080;
  font-family: courier, "Lucida Console";
  color: #FFA500;
  font-size: calc(12px + 0.5vw);
  line-height: 1.3;
  display: flex;
  flex-direction: column;
  padding: calc(5px + 3vw) 5vw;
  color: #696969;
  background-color: #FFA500;
  text-align: center;
  box-shadow: 0 4px 8px rgba(0,0,0,0.10), 0 2px 6px rgba(0,0,0,0.15), 0 -4px 8px rgba(0,0,0,0.10), 0 -2px 6px rgba(0,0,0,0.15);
h1, h2, h3{
  margin: 0;
  font-weight: bold;
  font-size: calc(12px + 5vw);
  font-style: italic;
  font-weight: normal;
  font-size: calc(10px + 4vw);
  display: flex;
  flex-direction: column;
  margin-bottom: 1vw;
figure, section{
  width: 100vw;
img {
    display: block;
    width: 90vw;
    height: 112.275vw;
    margin: 5vw;

  padding: 0 6vw;
  font-weight: bold;
  font-size: calc(10px + 2vw);
  padding: 1vw;
  font-size: calc(10px + 0.5vw);
  padding-left: calc(20px + 0.5vw);
  font-style: italic;
a:link, a:visited, a:hover, a:active{
  color: #F5F5F5;
  text-align: center;
  font-size: calc(10px + 0.5vw);
  padding: 1vw 1vw;
  word-break: break-all;
  overflow-y: scroll;
  -webkit-overflow-scrolling: touch;
  height: 67vh;
  padding: 2vw 3vw 2vw 7vw;
@media screen and (min-width: 500px){
    flex-direction: row;
  section, figure{
    width: 50vw;
    margin: auto;
    width: 40vw;
    height: 49.9vw;