CSS Properties: How to place an element at a certain distance from top of the document

Last update on February 24 2024 12:26:12 (UTC/GMT +8 hours)

Solution:

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 place an element at a certain distance from top of the document</title><!-- Sets the title of the document -->
<style type="text/css"> /* Starts CSS styling */
div.w3r { /* Styles div elements with the class "w3r" */
  position: relative; /* Sets the positioning context to relative */
  width: 300px; /* Sets the width of the div */
  height: 150px; /* Sets the height of the div */
  border: 3px solid #3333FF; /* Sets the border properties */
}
div.w3r1 { /* Styles div elements with the class "w3r1" */
  position: absolute; /* Sets the positioning context to absolute */
  top: 50px; /* Sets the distance from the top edge to 50 pixels */
  width: 150px; /* Sets the width of the div */
  height: 80px; /* Sets the height of the div */
  border: 3px solid #FF9900; /* Sets the border properties */
} 
</style><!-- Ends CSS styling -->
</head><!-- Ends the head section -->
<body><!-- Begins the body of the document -->
<h1><strong>w3resource Tutorial</strong></h1><!-- Displays a level 1 heading with bold text "w3resource Tutorial" -->
<div class="w3r">This division element position: relative. <!-- Displays a div element with class "w3r" -->
<div class="w3r1">This division element position: absolute. It is placed 50 pixels below the top edge.</div><!-- Displays a nested div element with class "w3r1" -->
</div><!-- Ends the parent div -->
</body><!-- Ends the body section -->
</html><!-- Ends the HTML document -->

Explanation:

This HTML document demonstrates how to position elements relative to the document using CSS.
Two CSS classes (w3r and w3r1) are defined to control the positioning of the div elements.
CSS comments are added to explain each section of the code.
The position property is used to specify the positioning context as either relative or absolute.
The top property is used to specify the distance of the absolute positioned div from the top edge of its relative positioned parent.

Live Demo:

See the Pen top-answer by w3resource (@w3resource) on CodePen.

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