CSS Properties: How to define the shape of top-right-radius-length corner?

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HTML Code:

<!DOCTYPE html>
<title>How to define the shape of top-right-radius-length corner</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-length property allow to add rounded corners to elements.</div>

Live Demo:

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

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HTML-CSS: Tips of the Day

Border length smaller than div width?

You can use pseudoelements. e.g.

CSS Code:

div {
  width   : 200px;
  height  : 50px;   
  position: relative;
  z-index : 1;
  background: #eee;

div:before {
  content : "";
  position: absolute;
  left    : 0;
  bottom  : 0;
  height  : 1px;
  width   : 50%;  /* or 100px */
  border-bottom:1px solid magenta;

HTML Code:

<div>Item 1</div>
<div>Item 2</div>

if you need a right-aligned border, just change left: 0 with right: 0

if you need a center-aligned border just simply set left: 50px;

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


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