HTML Code:
<!DOCTYPE html><!-- Declares the document type and version of HTML -->
<html><!-- Begins the HTML document -->
<head><!-- Contains metadata and links to external resources -->
<title>How to change the background-color if the viewport is 400 pixels wider</title><!-- Sets the title of the document -->
<style type="text/css"> /* Starts CSS styling */
body { /* Selects the body element */
background-color: #3300FF; /* Sets the background color of the body */
}
@media screen and (min-width: 400px) { /* Media query for screens with a minimum width of 400 pixels */
body { /* Selects the body element within the media query */
background-color: #00FFFF; /* Changes the background color of the body for screens wider than 400 pixels */
}
}
</style><!-- Ends CSS styling -->
</head><!-- Ends the head section -->
<body><!-- Begins the body of the document -->
<p>w3resource Tutorial</p><!-- Paragraph element with text content -->
<h2>Resize the browser window and see @media effect!</h2><!-- Heading element with text content -->
<p>CSS, stands for Cascading Style Sheet is a computer language to describe presentation (for example width, height, color, background color, alignment etc.) of HTML and XML (and XML based languages like XHTML, SVG) web documents. In all the examples of our tutorials, we have used HTML for implementing CSS.</p><!-- Paragraph element with text content -->
</body><!-- Ends the body section -->
</html><!-- Ends the HTML document -->
Explanation:
Live Demo :
See the Pen media-answer by w3resource (@w3resource) on CodePen.
See the solution in the browser
Supported browser
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HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4