用纯CSS创建一个三角形的原理是什么?
作者:互联网
首先,需要把元素的宽度、高度设为0。然后设置边框样式。
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Document</title> <style> .box { width: 0; height: 0; border-top: 40px solid transparent; border-left: 40px solid transparent; border-right: 40px solid transparent; border-bottom: 40px solid #ff0000; } </style> </head> <body> <div class="box"></div> </body> </html>
标签:40px,right,solid,height,用纯,三角形,border,transparent,CSS 来源: https://www.cnblogs.com/SRH151219/p/11238048.html