JSFiddle - React, Tailwind, and code Playground

by jaanhaitojahanhai

HTML

<div class="flex-container">
  <ul class="ul1">
    <li class="li1"><a class="active" href="home.html">Home</a></li>
    <li class="dropdown li1">
      <a href="javascript:void(0)" class="dropbtn">Capacity Study</a>
      <div class="dropdown-content">
        <a href="mainFrame.html">Conduct Study</a>
        <a href="report.html">Reports</a>
      </div>
    </li>
    <li class="li1"><a href="contact.html">Contact</a></li>
  </ul>

  <br /><br /><br /><br /><br /><br />
  <div class="tab">
    <button class="tablinks" onclick="openTest(event, 'Full DRC')" id="defaultOpen">Full DRC</button>
    <button class="tablinks" onclick="openTest(event, 'QDRC')">QDRC</button>
    <button class="tablinks" onclick="openTest(event, 'Cold Screening')">Cold Screening</button>
    <button class="tablinks" onclick="openTest(event, 'Hot Screening')">Hot Screening</button>
    <button class="tablinks" onclick="openTest(event, 'VCT Room')">VCT Room</button>
  </div>

  <div id="Full DRC" class="tabcontent first-content">
    <h3>Full DRC</h3>
    <p>Test Points Tested</p>
    <ul>
      <li>A</li>
      <li>B</li>
      <li>C</li>
    </ul>
  </div>

  <div id="QDRC" class="tabcontent">
    <h3>QDRC</h3>
    <p>Test Points Tested</p>
    <ul>
      <li>A</li>
      <li>B</li>
      <li>C</li>
    </ul>
  </div>

  <div id="Cold Screening" class="tabcontent">
    <h3>Cold Screening</h3>
    <p>Test Points Tested</p>
    <ul>
      <li>A</li>
      <li>B</li>
      <li>C</li>
    </ul>
  </div>

  <div id="Hot Screening" class="tabcontent">
    <h3>Hot Screening</h3>
    <p>Test Points Tested</p>
    <ul>
      <li>A</li>
      <li>B</li>
      <li>C</li>
    </ul>
  </div>

  <div id="VCT Room" class="tabcontent">
    <h3>Room</h3>
    <p>Test Points Tested</p>
    <ul>
      <li>A</li>
      <li>B</li>
      <li>C</li>
    </ul>
  </div>
  <br /><br /><br /><br /><br /><br />
  <div>
    <footer>
      <p class="footp">&copy;All rights reserved.</p>
      <p class="footp">|</p>
  ...

CSS

body {
  background-color: #d62929;
  font-family: Verdana, sans-serif;
  margin: 0;
}

.ul1 {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: whitesmoke;
  font-weight: bold;
  font-size: 18px;
}

.li1 {
  float: left;
}

.li1 a,
.dropbtn {
  display: inline-block;
  color: black;
  text-align: center;
  padding: 22px 30px;
  text-decoration: none;
}

.li1 a:hover,
.dropdown:hover .dropbtn {
  background-color: #c12525;
  color: white;
}

.li1.dropdown {
  display: inline-block;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: whitesmoke;
  min-width: 250px;
  box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
  z-index: 1;
}

.dropdown-content a {
  color: black;
  padding: 20px 20px;
  text-decoration: none;
  display: block;
  text-align: left;
  font-size: 15px;
}

.dropdown-content a:hover {
  background-color: #c12525;
}

.dropdown:hover .dropdown-content {
  display: block;
}

.active {
  background-color: #d62929;
  color: white;
  font-weight: bold;
  font-size: 18px;
}

@media screen and (max-width: 600px) {
  ul1 li1,
  ul1 li1 {
    float: none;
  }
}


@media only screen and (max-width: 300px) {
  footer {
    -webkit-order: 3;
    order: 3;
  }
}

footer {
  background: #aaa;
  color: #fff;
  text-align: center;
  padding: 1rem;
  clear: both;
  /* clearing floating affects from both left,right sides */
}

.footp {
  margin: 0;
  padding: 0;
  margin-left: 20px;
  display: inline-block;
  line-height: 30px;
  vertical-align: top;
}


/* Style the tab */

div.tab {
  float: left;
  border: 1px solid #ccc;
  background-color: #f1f1f1;
  width: 30%;
  height: 300px;
}


/* Style the buttons inside the tab */

div.tab button {
  display: block;
  background-color: inherit;
  color: black;
  padding: 22px 16px;
  width: 100%;
  border: none;
  outline: none;
  text-align: left;
  cursor: pointer;
  transition: 0.3s;
  font-size: 17px;
}


/* Change background color of buttons on...