Semantic UI open-source framework gives icons or glyphs that are used to show pictures related to some elements using CSS and jQuery that is used to create great user interfaces. It is a development framework used to create beautiful and responsive layouts.
Semantic UI Menu is a group of elements that displays different navigation actions. We can navigate to different pages of the website. A menu can be a combination of links, a search bar and dropdowns.
Semantic UI Popup Menu Content is used to display large content or additional menu using a popup menu. The popup menu can contain a whole new menu. The menu is displayed using Semantic Popup.
Semantic UI Popup Menu Content Classes:
- popup: This class is used to create a container and the popup will be displayed.
Syntax:
<div class="ui menu">
<a class="browse item">
Other tutorials
<i class="dropdown icon"></i>
</a>
<div class="ui fluid popup">
...
</div>
</div>
Example: In the following example, we have a popup at the front of the menu which displays an additional menu.
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet"
href=
"https://cdnjs.cloudflare.com/ajax/libs/semantic-ui/2.4.1/semantic.min.css"/>
<script src=
"https://code.jquery.com/jquery-3.1.1.min.js">
</script>
<script src=
"https://cdnjs.cloudflare.com/ajax/libs/semantic-ui/2.4.1/semantic.min.js">
</script>
</head>
<body>
<center>
<div class="ui container">
<div class="ui header green">
<h1>
GeeksforGeeks
</h1>
</div>
<strong>
Semantic UI Popup Menu Content
</strong>
<br/><br/>
<div class="ui menu">
<a class="browse item">
Other tutorials
<i class="dropdown icon"></i>
</a>
<div class="ui fluid popup">
<div class="ui three column relaxed
equal height divided grid">
<div class="column">Data Structure</div>
<div class="column">Algorithms</div>
<div class="column">Web Development</div>
</div>
</div>
<div class="header item">
GeeksforGeeks
</div>
<a class="item"
target="_blank"
href=
"https://www.geeksforgeeks.org/data-structures">
Data Structures
</a>
<a class="item"
target="_blank"
href=
"https://www.geeksforgeeks.org/fundamentals-of-algorithms">
Algorithms
</a>
</div>
</div>
</center>
<script>
$('.item').popup({})
</script>
</body>
</html>
Output:

Reference: https://semantic-ui.com/collections/menu.html#popup-menu