HTML的各个标签的默认样式
head{ display: none } body{ margin: 8px;line-height: 1.12 } button, textarea,input, object,select { display:inline-block;} ol, ul, dir,menu, dd{ margin-left: 40px } i, cite, em,var, address{ font-style: italic } //块级元素 html, body, div,ol, p, ul, h1, h2,h3,h4,h5, h6, address,blockquote, form, dd,dl, dt, fieldset, frame, frameset,noframes,center, dir, hr, menu, pre { display: block } //列表元素 li{ display:list-item } ol{list-style-type: decimal } ol ul, ul ol,ul ul, ol ol { margin-top: 0; margin-bottom: 0 } //标题 h1{ font-size:2em; margin: .67em 0 } h2{ font-size:1.5em; margin: .75em 0 } h3{ font