<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>边框</title> <style> /*div{ width: 200px; height: 200px;*/ /*border-color: red; border-width: 10px; border-style: solid;*//*solid是实线 /*dashed是虚线*/ /*border: 1px solid blue;*/ /*border-top: 1px dashed red;*/ /*border-bottom: 1px solid yellow; border-right: 1px solid green; border-left: 1px solid blue;*/ input{ border: 0;/*去掉所有边框*/ border-bottom: 1px dashed red; } button{ width: 50px; height: 25px; border: 1px; solid:purple; } </style> </head> <body> <div></div> 用户名：<input type="" > <button>按钮</button> </body> </html>
边框初步认识，定义大小、样式、颜色。
原文：https://www.cnblogs.com/fhtax/p/11220677.html