DOCTYPE html>
html>

head>
    meta charset="utf-8">
    title>CSS 链接(link)title>
    style>
    a:link {
        color: #ff0000;
        text-decoration: none;
        background-color: #b2ff99;
    }
    
    a:visited {
        color: #00ff00;
        text-decoration: none;
        background-color: #ffff85;
    }
    
    a:hover {
        color: #ff00ff;
        text-decoration: underline;
        background-color: #ff704d;
    }
    
    a:active {
        color: #0000ff;
        text-decoration: underline;
        background-color: #ff704d;
    }
    style>
head>

body>
    p>b>a href="/css" target="_blank">这是一个链接a>b>p>
body>

html>