css常用公用部分样式代码整理: body, html, div, blockquote, img, label, p, h1, h2, h3, h4, h5, h6, pre, ul, ol, li, dl, dt, dd, form, a, fieldset, input, th, td {margin: 0; padding: 0; border: 0; outline: none;} ul, ol{list-style: none;} a{color: black;text-decora…