JSFiddle - React, Tailwind, and code Playground

HTML

<nav class="main-nav">
   <ul>
      <li><a href="http://marketinthepocket.com/"> Home </a></li>
      <li><a href="transaction.php"> Trade Now</a></li>
      <li><a href="view.php"> Transactions  </a></li>
      <li><a href=""> Performance </a></li>
      <li><a href="complete.php">History </a></li>
      <li class="time">US Markets Open in&nbsp;<span id="hm_timer" class="style colorDefinition size_sm">08:20:04</span> </li>
   </ul>
</nav>

CSS

html, body {
  margin: 0;
  padding: 0;
}
.main-nav, .main-nav ul li {
  display: inline-block;
}
.main-nav {
  color: #FFF;
  width: 100%;
  background-color: #5e2d91;
  line-height: 24px;
}
.main-nav ul li {
  padding: 0px 10px;
  vertical-align: middle;
}
.main-nav ul li a {
  color: #FFF;
  text-decoration: none;
  padding: 20px 14px;
}
.main-nav ul li a:hover {
  background-color: #0098aa;
}
.main-nav ul li a:active {
  background-color: #6A006A;
}
.time {
  float: right;
  border-color: #718b88;
  font-family: sans-serif;
  font-weight: bold;
  border-style: solid;
  margin-left: 10%;
}