网页排版CSS教学(32) <TD class=b width=300 height=20><SPAN class=p>→top=20pt;right=15pt;bottom=10pt;left=15pt</SPAN></TD></TR></TBODY></TABLE></CENTER><BR><BR><CENTER><TABLE cellSpacing=0 cellPadding=0 width=550 border=0><TBODY><TR><TD class=b width=275 height=20><SPAN class=ls>border-top-width</SPAN> 设定上边框宽度</TD><TD class=b width=275 height=20><SPAN class=ls>border-right-width </SPAN>设定右边框宽度</TD></TR><TR><TD class=b width=275 height=20><SPAN class=ls>border-bottom-width</SPAN>设定下边框宽度</TD><TD class=b width=275 height=20><SPAN class=ls>border-left-width</SPAN> 设定左边框宽度</TD></TR></TBODY></TABLE></CENTER><DIV><SPAN class=e>支 持:</SPAN><SPAN class=b>IE4、NC4</SPAN><BR><SPAN class=e>适 用:</SPAN><SPAN class=b>区块元素</SPAN><BR><SPAN class=e>可能值:</SPAN><SPAN class=b>thin < medium < thick</SPAN> <TABLE cellSpacing=0 cellPadding=2 width=500 border=1><TBODY><TR><TD class=c width=150>thin</TD><TD class=d width=350>统一的绝对单位,因浏览器而异</TD></TR><TR><TD class=c width=150>medium</TD><TD class=d width=350>统一的绝对单位,因浏览器而异</TD></TR><TR><TD class=c width=150>thick</TD><TD class=d width=350>统一的绝对单位,因浏览器而异</TD></TR><TR><TD class=c width=150><length></TD><TD class=d width=350>长度单位,请参考第一章基本单位的相关说明</TD></TR></TBODY></TABLE><SPAN class=e>预设值:</SPAN><SPAN class=b>medium</SPAN><BR><SPAN class=e>继承性:</SPAN><SPAN class=b>无</SPAN><BR><DIV class=ex><SPAN class=ex>一般范例:</SPAN>DIV { border-top-width : 2pt }<BR><SPAN class=ex>同轴范例:</SPAN><DIV style="border-top-width:2pt"></DIV></DIV><BR><BR><SPAN class=l>border-width</SPAN> 综合设定边框宽度