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How to create a responsive navigation bar layout using HTML and CSS

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Release： 2023-10-20 13:25:47

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How to create a responsive navigation bar layout using HTML and CSS

How to use HTML and CSS to create a responsive navigation bar layout

The navigation bar is a very important part of the website, it can help users quickly navigate to what they want page. As mobile devices become more and more popular today, responsive navigation bar layout is particularly important to adapt to devices of different screen sizes. This article will introduce how to create a simple responsive navigation bar layout using HTML and CSS, and provide specific code examples.

HTML part:

First, we need a container that contains the navigation bar. We can use HTML's <nav></nav> element to create the navigation bar container, and use the <ul></ul> and <li> elements to create the navigation bar's menu. item. The code example is as follows:

<nav>
  <ul class="menu">
    <li><a href="#">首页</a></li>
    <li><a href="#">关于我们</a></li>
    <li><a href="#">产品</a></li>
    <li><a href="#">联系我们</a></li>
  </ul>
</nav>

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In the above code, we use the <ul> and <li> elements to create an unordered list, each Each menu item is a <li> element.

CSS part:

Next, we need to use CSS to define the style of the navigation bar. We can use CSS selectors to select and style navigation bar containers and menu items. The code example is as follows:

.nav {
  background-color: #f2f2f2;
  padding: 10px;
}

.menu {
  list-style-type: none;
  margin: 0;
  padding: 0;
}

.menu li {
  display: inline-block;
  margin-right: 20px;
}

.menu li a {
  text-decoration: none;
  color: #333;
}

@media (max-width: 768px) {
  .menu li {
    display: block;
    margin-right: 0;
    margin-bottom: 10px;
  }
}

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In the above code, we use the .nav and .menu class selectors to select the style of the navigation bar container and menu items , and set properties such as background color, padding and margins. Among them, we used the @media query to define that the menu items are displayed in a vertical layout when the screen width is less than 768 pixels.

Finally, we need to introduce the CSS style sheet into the HTML file and place the navigation bar container at the appropriate location on the page. We can add the following code to the HTML file:

<!DOCTYPE html>
<html>
<head>
  <title>响应式导航栏布局</title>
  <link rel="stylesheet" href="styles.css">
</head>
<body>
  <nav>
    <ul class="menu">
      <li><a href="#">首页</a></li>
      <li><a href="#">关于我们</a></li>
      <li><a href="#">产品</a></li>
      <li><a href="#">联系我们</a></li>
    </ul>
  </nav>
</body>
</html>

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In the above code, we introduced an external style sheet named styles.css and placed the navigation bar code in tag.

With the above HTML and CSS code, we have created a simple responsive navigation bar layout. When the screen width is greater than 768 pixels, the menu items are displayed in a horizontal layout; when the screen width is less than 768 pixels, the menu items are displayed in a vertical layout, which is more suitable for browsing on mobile devices.

Hope the above code example helps you understand how to use HTML and CSS to create a responsive navigation bar layout to adapt to devices of different screen sizes. Happy coding!

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