摘要：
实心线:<HR align=left width=490 color=#990099 SIZE=3 noShade>竖直线：<HR align=center width=1 color=red size=100>虚线：<hr size=1 style="color: blue;border-style:dotted;width:490px;color:#CCC">双线：<hr size=1 style="COLOR:#ff9999;border-style:double;width:490px;color:#CCC&quo 阅读全文
