JSFiddle - React, Tailwind, and code Playground

by Craig Haywood

HTML

<p>
    Some text to enable scrolling.. Lorem ipsum dolor sit amet, illum definitiones 
    no quo, maluisset concludaturque et eum, altera fabulas ut quo. Atqui causae 
    gloriatur ius te, id agam omnis evertitur eum. Affert laboramus repudiandae nec 
    et. Inciderint efficiantur his ad. Eum no molestiae voluptatibus.
  </p> <p>
    Some text to enable scrolling.. Lorem ipsum dolor sit amet, illum definitiones 
    no quo, maluisset concludaturque et eum, altera fabulas ut quo. Atqui causae 
    gloriatur ius te, id agam omnis evertitur eum. Affert laboramus repudiandae nec 
    et. Inciderint efficiantur his ad. Eum no molestiae voluptatibus.
  </p> <p>
    Some text to enable scrolling.. Lorem ipsum dolor sit amet, illum definitiones 
    no quo, maluisset concludaturque et eum, altera fabulas ut quo. Atqui causae 
    gloriatur ius te, id agam omnis evertitur eum. Affert laboramus repudiandae nec 
    et. Inciderint efficiantur his ad. Eum no molestiae voluptatibus.
  </p>

<div class="contain">
 
</div>
<nav id="nav-ask" onclick="CopyMe('20XRFOFF')">
  <span style="font-size: 24px">
  Random $20 Discount Coupon: 20XRFOFF
  </span><br/><small STYLE="color: red">DO NOT REFRESH THIS PAGE. <span style="color: black">CLICK HERE TO COPY CODE</span></small>
</nav>
<div class="contain">
      <p>
        Some text to enable scrolling.. Lorem ipsum dolor sit amet, illum definitiones 
        no quo, maluisset concludaturque et eum, altera fabulas ut quo. Atqui causae 
        gloriatur ius te, id agam omnis evertitur eum. Affert laboramus repudiandae nec 
        et. Inciderint efficiantur his ad. Eum no molestiae voluptatibus.
      </p><p>
        Some text to enable scrolling.. Lorem ipsum dolor sit amet, illum definitiones 
        no quo, maluisset concludaturque et eum, altera fabulas ut quo. Atqui causae 
        gloriatur ius te, id agam omnis evertitur eum. Affert laboramus repudiandae nec 
        et. Inciderint efficiantur his ad. Eum no molestiae...

CSS

#nav-ask {
    background-color: #f9e80d;
    /* Permalink - use to edit and share this gradient: https://colorzilla.com/gradient-editor/#000000+3,f9e80d+6,f9e80d+50,f9e80d+94,000000+97 */
background: linear-gradient(to right,  #000000 3%,#f9e80d 6%,#f9e80d 50%,#f9e80d 94%,#000000 97%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */

    overflow: hidden;
    border-top: 3px solid #000;
    border-bottom: 3px solid #000;
    position: sticky;
    top: 0;
    text-align: center;
    font-family: Arial, Helvetica, sans-serif;
}

JavaScript

function CopyMe(TextToCopy) {
  var TempText = document.createElement("input");
  TempText.value = TextToCopy;
  document.body.appendChild(TempText);
  TempText.select();
  
  document.execCommand("copy");
  document.body.removeChild(TempText);
  
  alert("Code copied to clipboard. Apply it during checkout to get $20 off.\n\nIf you do not know how to access items stored in your clipboard, write this code down now as the Yellow bar will disappear when you click OK: " + TempText.value);
  var link = document.getElementById('nav-ask');
link.style.display = 'none'; //or
link.style.visibility = 'hidden';
}