这个网站是一个HTML和CSS的模板，用于创建网页。它使用了html, body, div, span, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, abbr, address, cite, code, del, dfn, em, img, ins, kbd, q, samp, small, strong, sub, sup, var, b, i, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, figcaption, figure, footer, header, hgroup, menu, nav, section, summary, time, mark, audio, video等CSS属性，如margin: 0; padding: 0; border: 0; outline: 0; font-size: 100%; vertical-align: baseline; background: transparent。
body标签被设置为居中对齐。article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section, summary, time, mark, audio, video标签被标记为article，表示这些元素是文档的一部分，但它们不是文档的主体部分，而是附加到文档上的额外内容。
