Tryit Editor Dropdown Navbar CSS

Edit This Code:
<html>
<head>
<style>
ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #333;
}

li {
    float: left;
}

li a, .dropbtn {
    display: inline-block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

li a:hover, .dropdown:hover .dropbtn {
    background-color: red;
}

li.dropdown {
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
}

.dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;
}

.dropdown-content a:hover {background-color: #f1f1f1}

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

</style>
</head>
<body>


<img src="logo.jpg"/>

<h2>Dropdown Menu:</h2>

<ul>
  <li><a href="#home">Welcome</a></li>
  <li><a href="#news">About us</a></li>
  <li class="dropdown">
    <a href="javascript:void(0)" class="dropbtn">Languages</a>
    <div class="dropdown-content">

     <a href="https://t4tutorials.com/html"/>HTML</a>

  <a href="https://t4tutorials.com/css-tutorials/">CSS</a>

  <a href="https://t4tutorials.com/php-server-side-scripting-language-for-website-development"/>PHP</a>

  <a href="https://t4tutorials.com/keyword-worth-check-in-seo-search-engine-optimization"/>SEO</a>

  </li>
</ul>

<h3>Dropdown Menu inside a Navigation Bar:</h3>

<p>Hover over the<b>"Dropdown"</b> link to see the dropdown menu...</p>

</body>
</html>