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 set the style of the top border</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 */
h1.abc {border-top-style: none;} /* Sets the top border style of h1 elements with class "abc" to none */
h1.dotted {border-top-style: dotted;} /* Sets the top border style of h1 elements with class "dotted" to dotted */
h1.dashed {border-top-style: dashed;} /* Sets the top border style of h1 elements with class "dashed" to dashed */
h1.solid {border-top-style: solid;} /* Sets the top border style of h1 elements with class "solid" to solid */
h1.double {border-top-style: double;} /* Sets the top border style of h1 elements with class "double" to double */
h1.groove {border-top-style: groove;} /* Sets the top border style of h1 elements with class "groove" to groove */
h1.ridge {border-top-style: ridge;} /* Sets the top border style of h1 elements with class "ridge" to ridge */
h1.inset {border-top-style: inset;} /* Sets the top border style of h1 elements with class "inset" to inset */
h1.outset {border-top-style: outset;} /* Sets the top border style of h1 elements with class "outset" to outset */
h1.hidden {border-top-style: hidden;} /* Sets the top border style of h1 elements with class "hidden" to hidden */
h1.initial {border-top-style: initial;} /* Sets the top border style of h1 elements with class "initial" to initial */
</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="none">No border style</h1><!-- Displays an h1 element with no border style -->
<h1 class="dotted">A dotted border style</h1><!-- Displays an h1 element with a dotted border style -->
<h1 class="dashed">A dashed border style</h1><!-- Displays an h1 element with a dashed border style -->
<h1 class="solid">A solid border style</h1><!-- Displays an h1 element with a solid border style -->
<h1 class="double">A double border style</h1><!-- Displays an h1 element with a double border style -->
<h1 class="groove">A groove border style</h1><!-- Displays an h1 element with a groove border style -->
<h1 class="ridge">A ridge border style</h1><!-- Displays an h1 element with a ridge border style -->
<h1 class="inset">An inset border style</h1><!-- Displays an h1 element with an inset border style -->
<h1 class="outset">An outset border style</h1><!-- Displays an h1 element with an outset border style -->
<h1 class="hidden">A hidden border style</h1><!-- Displays an h1 element with a hidden border style -->
<h1 class="initial">A initial border style, like as no border</h1><!-- Displays an h1 element with an initial border style, like no border -->
</body><!-- Ends the body section of the HTML document -->
</html><!-- Ends the HTML document -->
Explanation:
Live Demo:
See the Pen border-top-style-answer by w3resource (@w3resource) on CodePen.
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HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4