CSS 清除默认样式通常的清除默认样式：*{margin:0;padding:0}li{list-style:none}img{vertical-align:top;border:none}设置默认字体body,button,

如下所示：XMLHTML Code复制内容到剪贴板body, div, ul, li, h1, h2, h3, h4, h5, h6, p, dl, dt, dd, ol, form, input, textarea, th, td, s