<!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> * { margin: 0; padding: 0; } a { text-decoration: none; color: #555; outline: none; cursor: pointer; border-bottom: 1px solid #999; } /* line-link */ .line-link { position: relative; display: inline-block; border-bottom: none; } .line-link:hover::before { visibility: visible; transform: scaleX(1); } .line-link::before { content: ""; position: absolute; width: 100%; height: 2px; bottom: 0; left: 0; background-color: #000; visibility: hidden; transform: scaleX(0); transition-duration: 0.2s; transition-timing-function: ease-in-out; transition-delay: 0s; } /* bg-link */ .bg-link { display: inline-block; padding: 0 20px; font-size: 14px; color: #555; background: #fff; border: 2px solid #555; text-decoration: none; border-radius: 2px; transition-property: background-color; transition-duration: 0.2s; transition-timing-function: ease-in-out; transition-delay: 0s; line-height: 2; } .bg-link:hover{ border-color: #222; color: #fff; background: #222; } </style> </head> <body> <a href="#" class="line-link">line link</a> <a href="#" class="bg-link">bg link</a> </body> </html>
后语：