这个css 是控制哪里的
body, div, dl, dt, dd, ul, ol, li, pre, code, form, fieldset, legend, input, button, textarea, p, blockquote, h1, h2, h3 {
margin: 0;
padding: 0;
font-size: 12px;
_background-image: url(about:blank);
_background-attachment: fixed;
}
