Today I will introduce to you border-radius, how to use border-radius, and the properties of border-radius. Let's look at a small case below.
DIVCSS3 rounded word: border-radius
Grammar structure
p{border-radius:5px}
Set the four corners of the DIV object box 5 Pixel rounded corner effect
p{border-radius:5px 0;}
Set the upper left corner and lower right corner of the DIV object box to 5px rounded corners, The other two corners are 0 No rounded corners
p{border-radius:5px 5px 0 0;}
Set the upper left and upper right corners of the DIV object box to be 5px rounded, and the other two corners are 0 and not rounded.
Description:
border-radius:3px 4px 5px 6px
represents the setting of 3px rounded corners in the upper left corner of the object, 4px rounded corners in the upper right corner, 5px rounded corners in the lower right corner, and lower left corner. Corners 6px rounded.
CSS3 rounded corners case
Set rounded corners on two DIV boxes and one picture Set rounded corners to practice CSS3 rounded corners.
Case HTML code
<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>对象圆角 在线演示 </title> <link href="images/style.css" rel="stylesheet" type="text/css" /> </head> <body> <p>盒子左上角和右上角对象圆角测试</p> <p class="box">DIV盒子圆角</p> <p>盒子对象个角圆角测试</p> <p class="box3">DIV盒子圆角</p> <p> </p> <p>图片对象圆角测试</p> <p class="box2"><img src="/static/imghwm/default1.png" data-src="images/logo.gif" class="lazy" / alt="How to use border-radius in CSS" ></p> </body> </html>
Case CSS code:
.box {border-radius:5px 5px 0 0;border:1px solid #000;width:300px; height:80px; margin:0 auto} .box2 img{border-radius:5px} .box3{border-radius:5px 0; background:#999;width:300px; height:80px; margin:0 auto}
Case description
1). In order to observe the rounded corner effect of the first BOX box, The border style is set, and the rounded corner style border-radius:5px 5px 0 0; sets the upper left corner and upper right corner rounded corners.
2), set the background color of the second BOX3 box, and set the rounded corner style border-radius: 5px 0, set the upper left corner and lower right corner rounded corners
3), the third Set the rounded corner style border-radius:5px to the image img in the box2 box, and set the four corners to be rounded.
There is so much knowledge about border-radius. Interested friends can do it themselves. For more exciting information, please pay attention to other related articles on the php Chinese website!
Related reading:
How to use border-radius in CSS
How to enter space characters in HTML
The above is the detailed content of How to use border-radius in CSS. For more information, please follow other related articles on the PHP Chinese website!

In this post, Blackle Mori shows you a few of the hacks found while trying to push the limits of Cohost’s HTML support. Use these if you dare, lest you too get labelled a CSS criminal.

Custom cursors with CSS are great, but we can take things to the next level with JavaScript. Using JavaScript, we can transition between cursor states, place dynamic text within the cursor, apply complex animations, and apply filters.

Interactive CSS animations with elements ricocheting off each other seem more plausible in 2025. While it’s unnecessary to implement Pong in CSS, the increasing flexibility and power of CSS reinforce Lee's suspicion that one day it will be a

Tips and tricks on utilizing the CSS backdrop-filter property to style user interfaces. You’ll learn how to layer backdrop filters among multiple elements, and integrate them with other CSS graphical effects to create elaborate designs.

Well, it turns out that SVG's built-in animation features were never deprecated as planned. Sure, CSS and JavaScript are more than capable of carrying the load, but it's good to know that SMIL is not dead in the water as previously

Yay, let's jump for text-wrap: pretty landing in Safari Technology Preview! But beware that it's different from how it works in Chromium browsers.

This CSS-Tricks update highlights significant progress in the Almanac, recent podcast appearances, a new CSS counters guide, and the addition of several new authors contributing valuable content.

Most of the time, people showcase Tailwind's @apply feature with one of Tailwind's single-property utilities (which changes a single CSS declaration). When showcased this way, @apply doesn't sound promising at all. So obvio


Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

MantisBT
Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.

SecLists
SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.

mPDF
mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),

Atom editor mac version download
The most popular open source editor

SublimeText3 Mac version
God-level code editing software (SublimeText3)
