CSS Properties: How to specify top border to its default value?

Last update on February 20 2024 12:26:11 (UTC/GMT +8 hours)

Solution:

HTML Code:

<!DOCTYPE html><!-- Declares the document type as HTML -->
<html><!-- Root element of the HTML document -->
<head><!-- Contains metadata about the HTML document -->
<title>How to specify top border to its default value</title><!-- Sets the title of the HTML document -->
<style type="text/css"> /* Begins a CSS style block */
h1 {
  border-style: solid; /* Defines a default CSS rule for h1 elements to have a solid border style */
  border-width: 10px; /* Sets the border width of h1 elements to 10 pixels */
}
h1.abc {
  border-top-style: initial; /* Sets the top border style of h1 elements with class "abc" to its default value */
}
</style><!-- Ends the CSS style block -->
</head><!-- Ends the head section of the HTML document -->
<body><!-- Contains the content of the HTML document -->
<h1 class="abc">Initial top border style</h1><!-- Displays an h1 element with the initial top border style -->
</body><!-- Ends the body section of the HTML document -->
</html><!-- Ends the HTML document -->

Explanation:

The HTML document structure includes essential elements such as html, head, title, style, and body.
CSS rules are defined to specify a solid border style with a width of 10 pixels for h1 elements, and then to set the top border style of h1 elements with class "abc" to its default value using the initial keyword.
Comments were added below the code line as requested.

Live Demo:

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

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