<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Responsive navbar</title>
</head>
<body>
  <div class="top">
    <div class="cen">
      <ul>
        <li><a href="#">Home</a></li>
        <li><a href="#">About Me</a></li>
        <li><a href="#">Services</a></li>
        <li><a href="#">Blogs</a></li>
        <li><a href="#">Contact</a></li>
      </ul>
    </div>
  </div>
</body>
</html>
body
{
  margin: 0;
  padding: 0;
  background: #f1f1f1;
  font-family: sans-serif;
}

.top
{
  width: 100%;
  background: #313131;
  overflow: hidden;
}

.cen
{
  max-width: 1200px;
  margin: auto;
}

.top ul
{
  margin: 0;
  padding: 0;
}

.top ul li
{
  list-style: none;
  display: inline-block;
}

.top ul li a
{
  text-decoration: none;
  color: #fff;
  padding: 10px;
  display: block;
  font-size: 18px;
  transition: 0.4s all;
}

.top ul li a:hover
{
  font-size: 22px;
  font-weight: 800;
}

@media screen and (max-width: 430px)
{
  .top ul li
  {
    display: block;
  }
  
  .top ul li a
  {
    text-align: center;
  }
}

External CSS

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External JavaScript

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