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CSS Properties: How to define the thickness of the left border?

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Solution:

HTML Code:

<!DOCTYPE html>
<html>
<head>
<title>How to define the thickness of the left border</title>
<style type="text/css"> 
h1  {
border-style: solid;
border-left-width: 20px;
}
</style>
</head>
<body>
<p>w3resource Tutorial</p>
<h1>border left width thickness</h1>
</body>
</html>

Live Demo:

See the Pen border-left-width-length-answer by w3resource (@w3resource) on CodePen.


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