• 2022-05-29
    能够完成向指定对象后插入超链接内容的是?
    A: h1:after { content:"基础"; }
    B: h2:before { content: url("./images/book.png"); }
    C: a:after {
    content: attr(href); }
    D: h2:before { content: "./images/book.png"; }