CSS Properties: How to define the shape of the top-right corner in percentage?

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HTML Code:

<!DOCTYPE html>
<title>How to define the shape of the top-right corner in percentage</title>
<style type="text/css"> 
div {
border: 3px solid #FF0000;
padding: 10px 40px; 
background: #00CCCC;
width: 150px;
<h1>w3resource Tutorial</h1>
<div>The border-top-right-radius-percentage property allow to add rounded corners to elements.</div>

Live Demo:

See the Pen border-top-right-radius-percentage-answer by w3resource (@w3resource) on CodePen.

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HTML-CSS: Tips of the Day

Stacking DIVs on top of each other?

CSS Code:

.inner {
  position: absolute;

HTML Code:

<div class="outer">
   <div class="inner">1</div>
   <div class="inner">2</div>
   <div class="inner">3</div>
   <div class="inner">4</div>

Ref: https://bit.ly/3AvpGf9


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