标签：H1
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合理使用h1，h2，h3标签”
在制作网页的过程中，难免会用到h1，h2，h3标签。合理的使用h1，h2，h3标签对网站的优化起着重要的作用。...
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XHTML语言默认的CSS样式”
html,address,blockquote,body,dd,div,dl,dt,fieldset,form,frame,frameset,h1,h2,h3,h4,h5,h6,noframes,ol,p,ul,center,dir,hr,menu,pre { display:block} li { display:list-item} head { display:none} table { display:table} tr { display:table-row}...
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HTML教程,HTML默认样式”
html, address, blockquote, body, dd, div, dl, dt, fieldset, form, frame, frameset, h1, h2, h3, h4, h5, h6, noframes, ol, p, ul, center, dir, hr, menu, pre {display: block } li {di...
