CSS Properties: How to set a number sections and sub-sections with section?
Solution:
HTML Code:
<!DOCTYPE html>
<html>
<head>
<title>How to set a number sections and sub-sections with section</title>
<style type="text/css">
body {
counter-reset: section;
}
h1 {
counter-reset: subsection;
}
h1:before {
counter-increment: section;
content: "Section " counter(section) ". ";
}
h2:before {
counter-increment: subsection;
content: counter(section) "." counter(subsection) " ";
}
</style>
</head>
<body>
<h1>HTML tutorials</h1>
<h2>HTML Tutorial</h2>
<h2>CSS Tutorial</h2>
<h2>HTML5 Tutorial</h2>
<h1>Database tutorials</h1>
<h2>SQL</h2>
<h2>MySQL</h2>
<h2>PostgreSQL</h2>
<h1>Exercises</h1>
<h2>HTML CSS</h2>
<h2>JavaScript</h2>
<h2>jQuery</h2>
<h2>PHP</h2>
</body>
</html>
Live Demo:
See the Pen counter-reset-answer by w3resource (@w3resource) on CodePen.
See the solution in the browser
Supported browser
 |
 |
 |
 |
 |
| Yes | Yes | Yes | Yes | Yes |
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HTML-CSS: Tips of the Day
Apply CSS styles to an element depending on its child elements
$('div:has(div.a)').css('border', '1px solid red');
Or
$('div:has(div.a)').addClass('redBorder');
combined with a CSS class:
.redBorder
{
border: 1px solid red;
}
Ref: https://bit.ly/3EN24UW
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