dropdown menu in HTML and CSS Source Code Free

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dropdown menu in HTML and CSS is a common and essential part of web development. Here's a step-by-step guide on how to create a basic dropdown menu using HTML and CSS:





firstly we need to create a .html File and a .css file : 

here source code and Output: -------👇

HTML5 : 

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>drop menu</title>
    <link rel="stylesheet" href="dropmenu.css" />
  </head>
  <body>
    <div class="root">
      <header>
        <ul>
          <li>
            <a href="#">course</a>

            <div class="submenu">
              <ul>
                <li>
                  <a href="#"> btech</a>
                  <div class="childmenu">
                    <ul>
                      <li><a href="#">cse</a></li>
                      <li><a href="#">civil</a></li>
                      <li><a href="#">EC</a></li>
                    </ul>
                  </div>
                </li>
                <li><a href="#"> diploma</a></li>
                <li><a href="#"> pharmacy</a></li>
              </ul>
            </div>
          </li>
          <li>
            <a href="#">studens</a>

            <div class="submenu">
              <ul>
                <li><a href="#">Boys</a></li>

                <li><a href="#">Girls</a></li>
              </ul>
            </div>
          </li>
          <li><a href="#">faculty</a></li>
          <li><a href="#">library</a></li>
        </ul>
      </header>
    </div>
  </body>
</html>


CSS :  


* {
  margin: 0;
  padding: 0;
}

.root {
  height: 100vh;
  width: 100%;
  background-image: url("wallpaper.jpg");
  background-size: cover;
  background-position: center;
}

header {
  width: 100%;
}

ul {
  font-size: 20px;
  list-style: none;
  display: flex;
  padding: 10px 15px;
  background-color: black;
  justify-content: space-around;
}

ul li {
  margin: 20px 20px;
}

ul li a {
  text-decoration: none;
  color: #fff;
}

.submenu {
  display: none;
  width: 200px;
  position: absolute;
}

.submenu ul li {
  border-bottom: 2px solid;
  color: #0660dd;
}

.submenu ul li:last-child {
  border-bottom: none;
}
.submenu ul {
  display: flex;
  flex-direction: column;
  text-align: center;
  width: 100%;
}

.childmenu {
  display: none;
}
.submenu ul li:hover .childmenu {
  display: block;
}

.submenu ul li:hover {
  color: rgb(107, 107, 228);
}
header ul li:hover .submenu {
  display: block;
}


A dropdown menu, also known as a drop-down menu or pull-down menu, is a graphical control element used in web design and application development. It is a list of items that appears when the user interacts with a particular button or menu bar, providing a convenient way to navigate and select options from a larger set of choices.


Key Components of a Dropdown Menu:

Trigger Element/Button:

The trigger element, often a button or a link, is the visible part of the dropdown menu. When the user interacts with this element, the dropdown menu appears, displaying the available options.


Dropdown Content:

The dropdown content is a list of items or links that appear below the trigger element when activated. Users can select items from this list, allowing them to navigate to different sections of a website or perform specific actions.


How Dropdown Menus Work:

User Interaction:

Dropdown menus are typically activated by user interactions such as hovering over a button, clicking the button, or tapping on a touchscreen device. This interaction triggers the menu to appear, showing the available options.


Selection and Navigation:

Users can then select an item from the dropdown list, and the menu typically responds to their selection by either navigating to a new page, displaying additional content, or triggering a specific action within the current context.


Use Cases and Benefits:

Space Efficiency:

Dropdown menus save screen space by displaying a compact list of options only when needed, making them ideal for navigation bars, forms, and applications with limited screen real estate.


Organized Navigation:

Dropdown menus help organize complex navigation structures by grouping related items together. This organization enhances user experience and makes it easier for users to find the information they are looking for.


Simplified User Interface:

Dropdown menus simplify user interfaces by reducing clutter. Instead of displaying all options at once, they present choices contextually, enhancing the overall usability of websites and applications.


Enhanced Interactivity:

Dropdown menus enhance interactivity by providing a responsive and intuitive way for users to interact with a website or application. They improve user engagement and streamline the user journey.



Responsive Header Source code 


sidebar source code 


thanks...


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